Articles and Updates

Straddle or spread? Roll or hold? Our August Office Hours tackled these questions and more — here's a look at what came up.  Spreads, Straddles and Strangles How is a two-legged spread different from a straddle or a strangle? A spread involves buying one option and selling another option against it, which gives the position defined risk and defined reward whether it's bought or sold. A straddle or a strangle also has two legs, but both are on the same side: buying a call and a put together, or selling a call and a put together, rather than buying one and selling the other. Buying a straddle or a strangle has defined risk and undefined reward. Selling one has defined reward and undefined risk, since an outright short straddle or strangle carries unlimited risk on the upside from the short call and downside risk down to zero on the put. The Expected Move and the At-the-Money Straddle When using an at-the-money straddle to estimate a stock's expected move ahead of an event, which calculation matters most? The at-the-money straddle price, divided by the stock price, gives a rough percentage estimate of the move the market expects around an event such as earnings. That estimate isn't a fixed number to set and forget. As the event gets closer, implied volatility often rises, which pushes the straddle price, and the expected move, higher. An investor who bought a straddle weeks ahead of the event can recheck that calculation as new information comes in and decide whether to hold, close, or adjust the position based on how the expected move has changed, rather than relying only on the original estimate. Managing Spread Risk When might a trader consider rolling the short strikes of an iron condor? There's no single rule for when to roll a tested side of an iron condor. Some traders roll only the untested side higher or lower to collect additional premium and create more room on the side being tested. Others roll the entire position at once, and some wait to see whether the short strike actually gets tested before making a decision. Because the choice depends on an individual's own market forecast and risk tolerance, many traders set exit rules before putting on the trade, covering what they'll do if the stock rallies and what they'll do if it doesn't, rather than deciding in the moment. What happens if one leg of a spread gets assigned before expiration, changing the position's risk and reward? If a short option within a spread is assigned, the position turns into a stock position paired with the remaining long option. For example, in a call spread where the short call gets assigned, the trader ends up short stock at the short strike while still holding the long call, which can be exercised at any time to cover that stock obligation. As expiration nears, many traders choose to close the short leg ahead of time to avoid unwanted assignment in the first place. Once a short option is bought back, there's no more assignment risk on it. Straddles in Restricted Accounts and Covered Combinations Can a straddle be sold in a retirement account, such as an IRA? Trades with significant open-ended risk, like an outright short straddle or strangle, are generally not permitted in restricted accounts such as IRAs. What is a "covered combination"? A covered combination is when an investor who already owns shares sells a strangle against that stock position, an out-of-the-money call and an out-of-the-money put, rather than trading the strangle on its own. For example, an investor who owns 100 shares but is willing to own more might sell a call above the current price and a put below it. If the call is assigned, the shares on hand can be delivered. If the put is assigned, the investor buys more shares at a price they were already comfortable paying. It's one way to collect premium income while setting an exit price on the upside and an entry price for additional shares on the downside. Synthetic Positions and the Greeks What's the difference between a strangle and a "combo"? They're different animals. A strangle involves buying, or selling, an out-of-the-money call and an out-of-the-money put at the same expiration. It's a bet on whether the stock will make a big enough move, not on which direction it moves. A combo, also called a synthetic stock position, involves buying a call and selling a put (or vice versa) at the same strike and expiration. The Deltas from the long call and the short put combine to roughly 100, the same Delta as owning 100 shares outright, so a long combo behaves like long stock: it gains if the stock rises and loses if it falls. Selling a combo (buying a put and selling a call at the same strike and expiration) instead creates a synthetic short stock position. How does implied volatility interact with negative Gamma? A trader who is short options, for example, short a strangle, is short Gamma, meaning their Delta position gets shorter as the stock rises and longer as it falls, the opposite of what a seller of premium typically wants. Being short options also usually means being short Vega, so rising implied volatility works against the position while falling implied volatility helps it. The reverse is true for a long options position, which is typically long Gamma and long Vega, benefiting from both stock movement and rising implied volatility. Exercise, Assignment and Hedging Do I need the cash in my account to exercise a call, even if a broker allowed a "cashless" exercise in the past? In principle, yes. Exercising a call means paying the strike price for 100 shares per contract, and exercising a put means being ready to deliver 100 shares per contract. The Options Clearing Corporation doesn't restrict long contract holders from exercising, but individual brokers can, and do, set their own rules to manage their own operational risk, including requiring enough cash on hand before allowing an exercise. Practices vary by broker and can change over time, so it's worth confirming a broker's specific exercise and assignment policies directly. Most contracts never reach this point: roughly 72% of contracts outstanding are closed out before expiration, about 6% are exercised or assigned, and the remaining 22% expire worthless. Is the VIX a useful hedge for a single stock position? It is not usually the most effective one. The VIX measures the market's 30-day expected volatility for the S&P 500, so VIX-linked instruments are designed to track S&P 500-related exposure, not individual stocks. It can move somewhat in step with individual stocks during broad market stress, but a stock outside the S&P 500, or one driven mainly by its own company-specific news, may not track the VIX closely enough for it to work as an effective hedge. For a single stock, a protective put on that stock addresses that stock's specific downside risk, while a VIX-based hedge addresses broad-market risk. The Wheel Strategy What's the main risk of the wheel strategy? The wheel strategy (selling a cash-secured put and, if assigned, selling covered calls against the resulting shares) has one specific caution: neither leg offers meaningful protection if the stock's price falls sharply. If a cash-secured put is sold on a $100 stock at a $95 strike and the stock later falls to $50, the trader is still obligated to buy at $95. If shares are already owned and a covered call is sold instead, a sharp decline in the stock is only partially offset by the call's premium, which is generally small relative to a large price drop. As with owning any stock outright, the wheel strategy is best suited to shares an investor wouldn't mind owning in the first place, since it doesn't remove that downside exposure. Meet OIC Instructors Roma Colwell Roma Colwell is an Associate Principal, Investor Education at OCC and is an instructor for The Options Industry Council (OIC). Roma has more than 27 years in the securities industry, 18 of which were spent as a floor broker, market maker, specialist and risk manager in both San Francisco and Chicago. Prior to joining OIC, Roma was an instructor at the Options Institute, the education branch of Cboe Global Markets, formerly the Chicago Board Options Exchange, where she conducted option seminars for domestic and international segments of the investing community. Ken Keating Get answers on straddles, iron condor rolls, assignment risk, synthetic positions, and the wheel strategy from OIC's August Office Hours Q&A.

Check out some FAQs from our July Office Hours sessions. Topics included implied volatility and how to gauge whether current levels look cheap or expensive; put-call parity and the relationship it defines between puts, calls and the underlying; how market makers interpret order flow today compared to the trading-floor era; earnings-driven trades and volatility crush; how a collar's Greeks shift as the stock price moves; and how Delta can be used to estimate a position's profit or loss.  .faq-accordion { border-bottom: 1px solid #ddd; } .faq-accordion summary { font-size: 1.1em; font-weight: 600; cursor: pointer; padding: 20px 40px 20px 0; list-style: none; position: relative; color: #333; } .faq-accordion summary::-webkit-details-marker { display: none; } .faq-accordion summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5em; font-weight: 300; } .faq-accordion[open] summary::after { content: '−'; } .faq-accordion-content { padding: 0 0 20px 0; } Understanding Implied Volatility What is implied volatility? Every options pricing model uses six inputs: strike price, stock price, time to expiration, prevailing interest rates, any dividends and implied volatility. Implied volatility reflects the market's expectation for how much the stock will move, in either direction, and is embedded in the option's price. Higher implied volatility results in higher option prices, while lower implied volatility results in lower option prices. How do I know if implied volatility is currently high or low? Two common statistics, IV Rank and IV Percentile, show how today's implied volatility compares with roughly the past year's levels. This historical context can help guide strategy selection: buying calls or debit call spreads may make more sense when volatility is low, while credit strategies like selling cash-secured puts or credit put spreads may be more attractive when volatility is elevated. Since not every strategy performs the same way in every volatility environment, this context is worth checking before placing a trade. Where can I compare historical and implied volatility side by side? The free OIC Historical and Implied Volatility tool overlays a stock's historical volatility against its 30-day implied volatility over roughly the past year, with a table showing the 52-week high and low. That range can help build a rough buy/sell benchmark — for example, if implied volatility has ranged from 11% to 26% over the past year and is currently trading near 14%, it's closer to the low end, suggesting options are relatively inexpensive at that level. Put-Call Parity Why are the extrinsic values of same-strike calls and puts so similar? This comes down to put-call parity, the pricing relationship linking a call, a put at the same strike and the underlying stock. Since a stock position can always be synthetically recreated from a call and a put (a protective put, for example, behaves like a synthetic call), the model prices their extrinsic values very similarly. Comparing extrinsic values on an option chain is a useful way to see this relationship in practice. Market Maker Order Flow, Then and Now How did market makers use order flow on the trading floor compared with today? On the floor, market makers watched order flow arrive in person and knew which firm the brokers represented, letting them anticipate follow-on orders from the same source. Today, with trading mostly electronic, they instead rely on data like put/call volume and open interest that build over the day — often without knowing whether an order is institutional or retail, though size can be a clue. Do market makers trade based on news or a directional opinion? Generally, no. A market maker's role is to post bids and offers across many strikes and names, take the opposite side of whatever the public wants to do, and hedge the resulting position to stay close to market-neutral. Rather than reacting to headlines directly, they respond to order flow itself — adjusting quoted volatility based on buying or selling. Earnings Plays and Volatility Crush For an earnings play, is it better to buy a call expiring soon or further out? Weekly expirations make it possible to target an expiration just a few days after earnings, which is typically less expensive than an option one to three months out. That said, options tend to get pricier as earnings approach, since implied volatility rises heading into the event — so timing the purchase matters. What is "vol crush," and how does it affect an earnings trade? Once earnings are released, implied volatility often drops sharply — a move known as vol crush — even if the stock moves as expected. Since a long option's value depends on both direction and implied volatility, a sudden drop in volatility can offset some or all of the gain from being right on direction. How a Collar's Greeks Shift with the Stock Price Why do the Gamma, Theta and Vega of a collar depend on where the stock is trading relative to the two strikes? A collar combines a long protective put with a short covered call, so while the position is Delta-neutral at inception, its net Greek exposure shifts with the stock price. Closer to the long put, it behaves more like the owned option: positive Gamma, negative Theta and positive Vega. Closer to the short call, it behaves more like the sold option: negative Gamma, positive Theta and negative Vega. In short, whichever strike the stock is nearer to dominates the position's Greek profile at that moment. Using Delta to Estimate P&L Can Delta be used for a back-of-the-envelope estimate of profit or loss if the stock moves $5? Yes, as a rough approximation. Multiplying the position's net Delta by the size of the stock move gives an estimated change in value — for example, a spread with 40 net long deltas would be expected to gain roughly $200 if the stock rises $5 (40 x $5 = $200). This assumes all other pricing inputs stay constant; in practice, a stock move is often accompanied by a shift in implied volatility, which affects the position through Vega and can offset some of the Delta-driven gain or loss. For a fuller picture, the OIC Options Calculator can model a position against different stock prices and volatility assumptions. Meet OIC Instructors Roma Colwell Roma Colwell is an Associate Principal, Investor Education at OCC and is an instructor for The Options Industry Council (OIC). Roma has more than 27 years in the securities industry, 18 of which were spent as a floor broker, market maker, specialist and risk manager in both San Francisco and Chicago. Prior to joining OIC, Roma was an instructor at the Options Institute, the education branch of Cboe Global Markets, formerly the Chicago Board Options Exchange, where she conducted option seminars for domestic and international segments of the investing community. Ken Keating Ken Keating is Principal, Investor Education at OCC and is a certified instructor for The Options Industry Council. He has been trading and analyzing options for over 25 years, beginning his career at Group One Trading in 1993 on the floor of the PSE (Pacific Coast Stock Exchange) before transitioning to the floor of the CBOE (Chicago Board Options Exchange). Ken has held positions as a floor market maker, floor specialist, risk manager and off-floor prop trader, and later worked as an options portfolio manager for Peak6 Capital Management and traded for himself as a self-backed sole proprietor at Sumo Capital. He went on to join Oxford Intelligence Partners, analyzing equity and derivative flows for publicly listed companies, before Oxford merged with Q4 Inc., a data analytics provider for Investor Relations professionals.

Check out some FAQs from our June Office Hours sessions. Topics included interpreting implied volatility statistics, managing covered call positions, comparing the wheel strategy to related trades, selecting spread duration, the role of Delta in risk assessment, after-hours assignment and Theta decay heading into long weekends.  .faq-accordion { border-bottom: 1px solid #ddd; } .faq-accordion summary { font-size: 1.1em; font-weight: 600; cursor: pointer; padding: 20px 40px 20px 0; list-style: none; position: relative; color: #333; } .faq-accordion summary::-webkit-details-marker { display: none; } .faq-accordion summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5em; font-weight: 300; } .faq-accordion[open] summary::after { content: '−'; } .faq-accordion-content { padding: 0 0 20px 0; } Implied Volatility Rank and Percentile What is the difference between IV Rank and IV Percentile? Both statistics describe where current implied volatility (IV) sits relative to its history over the past year, but they measure different things. IV Rank compares current implied volatility to its 52-week high-low range — an IV Rank of 50 means implied volatility is halfway between the year's low and high. IV Percentile measures the share of trading days over the past year when implied volatility was lower than where it currently sits — an IV Percentile of 80 means implied volatility has been lower than the current level 80% of the time. How can historical and implied volatility be compared? Historical volatility measures how much the underlying has actually moved in the past, while implied volatility reflects what the market expects it to move in the future. When implied volatility rises meaningfully above its recent historical range, it can suggest market participants are anticipating an event or a larger move ahead, up or down. Charts that overlay the two are available on the options education website and can help frame whether option prices appear rich or cheap relative to past behavior. Managing Covered Call Positions How is a strike chosen when selling a covered call? Strike selection involves a tradeoff between the premium collected and the willingness to sell shares at that strike if assigned. Closer-to-the-money strikes collect more premium but carry greater assignment risk, while further out-of-the-money strikes collect less premium with reduced assignment risk. There is no universal target percentage; the decision depends on each investor's outlook for the underlying and tolerance for being called away. When can a covered call be rolled if the stock moves through the strike? A covered call can be rolled up, out, or up and out by buying back the short call and selling a higher strike, a later expiration, or both. Waiting closer to expiration captures additional time decay before closing the short leg but leaves more room for the stock to continue rallying. The decision typically depends on the investor's outlook for whether the move is likely to continue or reverse. The Wheel Strategy and the Covered Strangle Does the wheel strategy carry the same risk as a covered strangle? No. The wheel strategy rotates between a cash-secured put and a covered call, typically holding 100 shares of the underlying per options contract. A covered strangle begins with 100 long shares while simultaneously selling a cash-secured put and a covered call. If the put is assigned, the position grows to 200 shares, doubling the downside exposure compared to the wheel. Selecting Spread Duration What are the tradeoffs between a 21-day and a 41-day put spread for collecting premium? Each carries tradeoffs. The longer-dated spread collects more premium upfront, while the shorter-dated spread benefits more rapidly from accelerated Theta decay near expiration. Selling consecutive shorter-dated spreads can capture decay twice within the same window covered by a single longer-dated trade, though it requires more active position management. Delta as a Risk Indicator How does Delta relate to the risk of an options position? Delta measures how closely an option's price tracks the underlying. Higher-Delta options behave more like stock and respond more strongly to price moves, which translates into greater exposure for a seller. Delta is also commonly referenced as an approximation for the probability that a contract will finish in-the-money, providing context for option sellers evaluating assignment risk. After-Hours Exercise and Assignment How long after the market close can a short option still be assigned? For American-style options, all exercise notices must reach OCC (The Options Clearing Corporation) by 5:30 p.m. ET on expiration day. Individual brokerage firms set their own earlier cutoff times for clients, typically ranging from 15 to 45 minutes after the 4:00 p.m., ET close. Because after-hours price movement can prompt exercise notices on contracts that closed out-of-the-money, assignment risk for short options continues beyond the regular session close. Theta Decay Around Long Weekends How is Theta priced into options heading into a long weekend? Market participants often begin pricing in a weekend's expected time decay during the final trading session rather than waiting for it to occur over the actual weekend. As a result, option premiums on the Friday before a long weekend may already reflect Monday's theoretical values, along with corresponding adjustments to Delta and Gamma. Meet OIC Instructors Mark Benzaquen Mark, OIC instructor and principal, Investor Education at OCC, brings 20+ years of experience with options in the financial services industry. Mark began his career in options with Stafford Trading, LLC in 1997 before transitioning to brokerage operations with MF Global in 2000. For more than a decade, Mark was the lead broker for his firm in the NDX/RUT trading pit, gaining special insight into customer order flow and trade execution. Roma Colwell Roma Colwell is an Associate Principal, Investor Education at OCC and is an instructor for The Options Industry Council (OIC). Roma has more than 27 years in the securities industry, 18 of which were spent as a floor broker, market maker, specialist and risk manager in both San Francisco and Chicago. Prior to joining OIC, Roma was an instructor at the Options Institute, the education branch of Cboe Global Markets, formerly the Chicago Board Options Exchange, where she conducted option seminars for domestic and international segments of the investing community.

Check out the most frequently asked questions from our May Office Hours sessions. Topics included ways implied volatility interacts with the Greeks, managing short option positions and assignment risk, evaluating second-order Greeks, market maker activity around expiration, and practical considerations for the wheel strategy.  .faq-accordion { border-bottom: 1px solid #ddd; } .faq-accordion summary { font-size: 1.1em; font-weight: 600; cursor: pointer; padding: 20px 40px 20px 0; list-style: none; position: relative; color: #333; } .faq-accordion summary::-webkit-details-marker { display: none; } .faq-accordion summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5em; font-weight: 300; } .faq-accordion[open] summary::after { content: '−'; } .faq-accordion-content { padding: 0 0 20px 0; } Implied Volatility and the Greeks How does an increase in implied volatility affect the option Greeks? Implied volatility interacts with each Greek differently. As implied volatility rises, the Deltas of out-of-the-money options tend to increase, while the Deltas of in-the-money options tend to decrease — all Deltas move toward 50. When implied volatility declines, Deltas move away from 50 in the opposite direction. Gamma is negatively correlated with implied volatility, so higher implied volatility generally corresponds to lower Gamma. Theta is indirectly tied to implied volatility because Theta is a function of how much extrinsic premium an option carries, and extrinsic premium tends to rise and fall with implied volatility. Are the daily standard deviation formula and the Rule of 16 formula the same? Yes. Multiplying implied volatility as a percentage by the stock price and dividing by the square root of trading days produces the same result as the Rule of 16 method. Why might a trader lose money on an option even when the stock moves in the expected direction? If a long option position is opened while implied volatility is elevated and that volatility subsequently declines, the loss in extrinsic value can outweigh any gain from the underlying moving favorably. Reviewing where implied volatility stands before entering a trade can help provide context for how levels of option premium have fluctuated over time. Managing Short Option Positions If a stock rallies past the short strike of a bull call spread well before expiration, is assignment likely? Not necessarily. With significant time remaining until expiration, the short call typically still carries extrinsic value. The holder of the long call would forfeit that remaining time premium by exercising early, so selling the long call in the open market is often more efficient than exercising for intrinsic value alone. One scenario in which early exercise becomes more likely is when a dividend is approaching, because owning the stock is the most direct way to receive the dividend, and owning a call — even if that call is in-the-money — does not entitle the holder to the dividend payment. How can a deep in-the-money covered call be evaluated when market conditions change? When a covered call moves deep in-the-money, the option's value shifts from purely extrinsic to a combination of intrinsic and extrinsic value. The remaining extrinsic value can be approximated by referencing the price of the corresponding out-of-the-money put at the same strike. Because Theta affects only the extrinsic portion, that put price provides an indication of how much additional decay may be available if conditions remain steady. This is one input among several that a trader may consider when evaluating whether to roll the position for a debit, hold for assignment, or close outright. Time Decay and Expiration Why do options lose value as expiration approaches? Theta represents the theoretical 24-hour decay of an option's value. As each day passes, one fewer 24-hour period remains in the option's lifetime, and the rate of decay accelerates as expiration nears. At expiration, the extrinsic portion of an option’s value has decayed to zero and the option’s value, if any still exists, is concentrated in its intrinsic value. Credit Spreads and Net Greek Exposure When trading credit spreads, should the analysis focus only on the Greeks of the short option? No. A credit spread is a net position, so the combined Greek exposure of both legs governs the trade's behavior. The position's Delta, Gamma, Theta, and Vega are also net values. The spread behaves according to the net of those values rather than the short option in isolation. Second-Order Greeks What are second-order Greeks, and do traders need to track them directly? First-order Greeks — Delta, Theta, Vega, and Rho — measure how an option's value changes with respect to a single variable. Second-order Greeks measure how a first-order Greek itself changes. Gamma measures the rate of change of Delta and is technically a second-order Greek, although it is commonly grouped with the first-order set. Other second-order Greeks include Vanna, which measures the change in Delta as implied volatility changes; Charm, which measures the change in Delta as time passes, sometimes called Delta decay; Vomma, or Volga, which measures the change in Vega as implied volatility changes; and Veta, which measures the change in Vega as time passes. Many traders manage exposure to these indirectly — for example, by observing that a hedged position's Delta drifts over time without explicitly labeling that drift as Charm. Market Maker Activity at Expiration What does an expiration day look like for a market maker? Market makers carry positions across many strikes, expirations, and underlyings. At expiration, in-the-money options convert into something else depending on their settlement type. Cash-settled European-style options — including most index options and many 0DTE index contracts — resolve into a cash credit or debit equal to the difference between the strike price and the settlement value. Physically settled American-style options deliver into the underlying, meaning the market maker takes or makes delivery of shares for each in-the-money strike. Throughout the day, market makers continually project what their position will look like immediately after expiration so that the resulting Delta exposure can be hedged on the close. What is "gamma flip," and why has it become a more common topic? Gamma flip refers to the point at which a dealer's or market maker's aggregate Gamma exposure across strikes changes sign — from long Gamma to short Gamma, or vice versa — as the underlying moves through certain strikes. When a large amount of any particular strike is traded by participants to market maker, those market makers can end up with concentrated positions at specific strikes. As the underlying moves through those strikes, the aggregate exposure flips: a position that was long options at-the-money can become short options at-the-money once the underlying has moved through the higher strike. The term has gained attention alongside increased interest in measures of dealer positioning, particularly in short-dated options. Related concepts include open interest at specific strikes, which can also influence positioning analysis. The Wheel Strategy and Strike Selection How does the wheel strategy work? The wheel strategy combines two premium-selling strategies. It begins with selling a cash-secured put, which obligates the seller to buy the underlying at the strike if assigned. If assignment occurs, the trader holds the shares and may sell a covered call against them to collect additional premium. If the covered call is assigned, the shares are called away and the cycle may restart with another cash-secured put. The objective is to maintain a consistently short premium position across both phases. Trade Management and Position Sizing Is there a percentage gain at which a winning options trade should be closed? There is no universal threshold. Defining an exit plan in advance — for both profits and losses — can help remove emotion from in-the-moment decision-making. One framework is to identify both a profit-taking level and a maximum-loss level before entering the trade. Some traders observe that more attention is often given to managing losing positions than to managing winning ones. How can a limit price be determined when setting up a conditional collar order? An options pricing calculator can be used to estimate the fair value of the call and the put at the point where the stock reaches the target price. From there, a limit order can be set based on the desired net price of the collar, possibly near zero cost. One consideration when legging in by trading the call and the put separately is the risk of being filled on only one leg, which can leave the position structured differently than intended. Market Structure and Industry Trends How much of the recent growth in options volume is retail versus institutional? Public options data identifies the product, size, strike, and expiration of trades, but not whether the participant is retail or institutional. Both segments appear to contribute meaningfully to recent volume growth. Retail participation likely accounts for a significant share of activity in short-dated options, single-name options on widely traded names, and ETF options. Institutional participation appears prominent in index options, dispersion and volatility trading, and flex options — customizable contracts used by issuers of defined-outcome ETFs to align option exposures with fund cash flows. Separating the two segments cleanly from public data alone is difficult to do. Where can historical options price data be found? The Options Price Reporting Authority (OPRA) maintains the consolidated options tape and publishes a list of approved options data vendors on its website. The vendor directory is available at opraplan.com under the "Find a Vendor" tab. Most historical data services charge for access. Meet OIC Instructors Mat Cashman Mat is a financial services professional and currently an instructor at The Options Industry Council. He brings 20 years of experience trading in all segments of the derivatives market. He started his career on the trading floor of the Chicago Board of Options Exchange in 2000 and has since traded multiple asset classes across a wide array of exchanges including the CME, CBOT and the Eurex Exchange. Mark Benzaquen Mark, OIC instructor and principal, Investor Education at OCC, brings 20+ years of experience with options in the financial services industry. Mark began his career in options with Stafford Trading, LLC in 1997 before transitioning to brokerage operations with MF Global in 2000. For more than a decade, Mark was the lead broker for his firm in the NDX/RUT trading pit, gaining special insight into customer order flow and trade execution.

Get answers to top options trading questions covering time decay, the Rule of 16, synthetic stock positions, Delta hedging, and high-volatility strategy selection.

Explore key insights from our March Office Hours sessions, where discussions focused on how options are priced, how Greeks influence positions, and how market structure and volatility shape trading decisions.  .faq-accordion { border-bottom: 1px solid #ddd; } .faq-accordion summary { font-size: 1.1em; font-weight: 600; cursor: pointer; padding: 20px 40px 20px 0; list-style: none; position: relative; color: #333; } .faq-accordion summary::-webkit-details-marker { display: none; } .faq-accordion summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5em; font-weight: 300; } .faq-accordion[open] summary::after { content: '−'; } .faq-accordion-content { padding: 0 0 20px 0; } Option Strategies and Position Management Why use a spread instead of a single option? Spreads allow traders to define risk. For example, a bear call spread expresses a bearish view while capping potential losses by purchasing a higher strike call. While this limits maximum profit, it provides protection if the market moves unexpectedly. Do options need to be held until expiration? No. Traders can close positions at any time to realize gains, manage risk, or avoid assignment. In practice, most options positions are closed before expiration rather than exercised. Volatility and the Greeks What does it mean to hedge using Delta? Delta measures how an option's value changes with movements in the underlying asset. Traders can offset directional exposure by taking an opposing position in stock or other options. Because Delta changes as the underlying moves (Gamma), maintaining a neutral position requires ongoing adjustments. Are spreads neutral to volatility? Not necessarily. While spreads are contract neutral, they still carry exposure to implied volatility. Debit spreads tend to benefit from rising volatility, while credit spreads generally benefit when volatility declines. What determines implied volatility? Implied volatility reflects supply and demand in the options market. When demand for options increases, prices rise, and implied volatility increases accordingly. Time Decay and 0DTE Options How does time decay impact options? Time decay (Theta) reduces an option's value as expiration approaches. This effect accelerates in short-dated options, particularly 0DTE contracts, where time value can decline rapidly within a single trading day. Why do Gamma and Theta increase near expiration? As expiration nears, at-the-money options become highly sensitive to price movement. As Gamma increases, Delta shifts more rapidly, while Theta accelerates as remaining time value approaches zero. Market Mechanics and Structure Can options trading impact stock prices? Large option trades can influence the underlying stock. When market makers hedge their exposure—often by buying or selling shares—this activity can contribute to price movement. What is open interest? Open interest represents the number of outstanding option contracts. It increases when new positions are opened and decreases when positions are closed. High open interest at certain strikes can influence trading activity, especially near expiration. What role do market makers play? Market makers provide continuous liquidity by quoting bid and ask prices. Rather than taking directional views, they focus on managing risk and capturing small pricing differences while dynamically hedging their positions. Dividends and Contract Adjustments How do dividends affect options? Regular dividends are typically reflected in option pricing and do not change contract terms. However, special dividends may result in adjustments—such as changes to strike prices or deliverables—to maintain the contract's economic value. Trading in Different Volatility Environments How do traders approach high volatility? When implied volatility is elevated, traders may use defined-risk strategies—such as credit spreads, iron condors, or iron butterflies—to collect premium while limiting potential losses. Strategy selection ultimately depends on market outlook and risk tolerance. Meet OIC Instructors Ken Keating Ken, OIC instructor and pricipal, Investor Education at OCC, began his 25-year trading career at Group One Trading in 1993 on the floor of the PSE (Pacific Coast Stock Exchange) and later transitioned to the floor of the CBOE (Chicago Board Options Exchange). He has held positions as a floor market maker, floor specialist, risk manager, and off floor prop-trader Mark Benzaquen Mark, OIC instructor and principal, Investor Education at OCC, brings 20+ years of experience with options in the financial services industry. Mark began his career in options with Stafford Trading, LLC in 1997 before transitioning to brokerage operations with MF Global in 2000. For more than a decade, Mark was the lead broker for his firm in the NDX/RUT trading pit, gaining special insight into customer order flow and trade execution.

Check out the most frequently asked questions from our February Office Hours sessions. Topics included option pricing relationships, strategy selection, volatility concepts, corporate actions, and the mechanics of trading options in different market environments.  Option Pricing and Market Relationships What does the formula "Call – Put + Strike" represent when evaluating options? This relationship comes from put-call parity and reflects the forward implied price of the underlying asset. It does not predict where the stock will go. Instead, it reflects how options prices incorporate factors like interest rates, dividends, and the time value of money to imply what the underlying price would be at expiration if current conditions remained unchanged. Why might put options trade at higher prices than calls at the same strike? If puts appear significantly more expensive than calls at the same strike and expiration, it can indicate factors affecting put-call parity. These may include dividend expectations, interest rates, corporate actions, or hard-to-borrow conditions in the stock. When prices appear "out of line," it usually means some structural factor is being priced into the options rather than a simple arbitrage opportunity. Option Strategies How do you choose between a bull call spread and a bull put spread? Both strategies express a bullish directional view, but they differ in structure. A bull call spread (debit spread) requires paying a premium and maintains the right to exercise the long call. A bull put spread (credit spread) collects premium but takes on the obligation associated with the short put. The choice often depends on factors such as implied volatility levels, risk tolerance, and whether a trader prefers paying premium or collecting it. If I'm bullish on a stock, should I buy a call or sell a put? Both positions have similar directional exposure but different risk profiles. Buying a call limits risk to the premium paid. Selling a put generates income but requires the ability to purchase the stock if assigned. At expiration, both positions can result in owning the stock if they finish in-the-money. Managing Option Positions Why doesn't a deep in-the-money call spread reach its maximum value long before expiration? Even if the spread is deep in-the-money, both options may still retain some amount of time premium. A spread reaches its full value only when the long option reflects its full intrinsic value and the short option reflects its full intrinsic value or decays to zero. If there is still significant time remaining until expiration, the short option will retain extrinsic value, preventing the spread from reaching its maximum theoretical value. Volatility and the Greeks What does it mean to "trade around the Greeks"? When trading options, every position carries exposure to option Greeks. Delta measures directional exposure to the underlying price. Gamma reflects how quickly Delta changes as the underlying moves. Theta represents time decay. Vega measures sensitivity to changes in implied volatility. Understanding these exposures helps traders choose strategies that align with their market outlook and volatility environment. Why might someone lose money on an option even if the stock moves in the expected direction? This can occur because implied volatility moves after the trade is entered. If a trader buys options when implied volatility is high and volatility later declines, the loss in option value from the volatility drop can outweigh the gain from the underlying price movement. Option Duration and 0DTE Options How do zero-day-to-expiration (0DTE) options behave differently from longer-dated options? As options approach expiration, Gamma increases, making the option highly sensitive to price movement. Theta accelerates as time decay increases rapidly. Vega decreases, reducing sensitivity to changes in implied volatility levels. Longer-dated options exhibit the opposite characteristics, with lower Gamma but greater sensitivity to implied volatility changes. Market Structure and Trading Mechanics What does "24-5 trading" mean? "24-5" refers to markets that operate nearly 24 hours a day during the trading week, typically from Sunday evening through Friday evening. Examples include index futures markets, foreign exchange markets, and certain extended-hours equity trading sessions. As markets expand toward continuous trading, it raises new questions about liquidity distribution, risk management, and how clearing systems handle the absence of traditional market opens and closes. What is after-hours trading and how does it affect options? Stocks typically close at 4:00 PM Eastern Time, but trading may continue afterward in extended sessions. For American-style options, traders may still have a window after the close to exercise options or submit contrary exercise instructions. Each brokerage firm sets its own cutoff times for these instructions, so traders should confirm those deadlines with their brokerage firm. Corporate Actions and Options How do reverse stock splits affect options contracts? When a company conducts a reverse split, OCC can adjust the option contract so that the overall economic value remains the same. Changes may include a modified deliverable (fewer shares per contract) or an options symbol change. These adjustments are meant to ensure that option holders are neither advantaged nor disadvantaged by the corporate action. Market Making and Trading Perspectives How do market makers approach options differently than retail traders? Retail traders often trade specific strategies (spreads, covered calls, etc.). Market makers typically focus on quoting bid-ask prices, managing volatility exposure, and hedging positions dynamically. Rather than targeting specific strategies, market makers primarily manage risk through volatility and Delta hedging. Meet OIC Instructors Mat Cashman Mat is a financial services professional and currently an instructor at The Options Industry Council. He brings 20 years of experience trading in all segments of the derivatives market. He started his career on the trading floor of the Chicago Board of Options Exchange in 2000 and has since traded multiple asset classes across a wide array of exchanges including the CME, CBOT and the Eurex Exchange. Mark Benzaquen Mark, OIC instructor and principal, Investor Education at OCC, brings 20+ years of experience with options in the financial services industry. Mark began his career in options with Stafford Trading, LLC in 1997 before transitioning to brokerage operations with MF Global in 2000. For more than a decade, Mark was the lead broker for his firm in the NDX/RUT trading pit, gaining special insight into customer order flow and trade execution.

Check out the most frequently asked questions during our January events. Topics of discussion include options trading basics, managing option positions, option strategies, hedging & risk management, implied volatility & Greeks, future vs. options and market making.  .faq-accordion { border-bottom: 1px solid #ddd; } .faq-accordion summary { font-size: 1.1em; font-weight: 600; cursor: pointer; padding: 20px 40px 20px 0; list-style: none; position: relative; color: #333; } .faq-accordion summary::-webkit-details-marker { display: none; } .faq-accordion summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5em; font-weight: 300; } .faq-accordion[open] summary::after { content: '−'; } .faq-accordion-content { padding: 0 0 20px 0; } Options Trading Basics How do you determine the bid-ask spread when buying or selling options? The bid is the price at which the market is willing to buy the option, and the ask is the price at which the market is willing to sell the option. As a buyer, you look at the ask price, and as a seller, you look at the bid price. The difference between what you paid and what you sell it for determines your profit or loss. Do I need to have the shares in my account to exercise a long put contract? It depends. Your trading firm may require you to have those shares prior to exercising. If you can't buy or borrow the shares, you may not be able to exercise the contract. Managing Option Positions Can you get assigned on an out-of-the-money option after market close? Yes, out-of-the-money options can still be exercised by the buyer if they choose to do so, which means the seller's risk continues until the option fully expires. How can you manage a collar trade to keep the stock? You can manage a collar trade by rolling the short call and long put up or out to a different expiration date. Option Strategies What are the benefits of trading zero DTE options? Zero DTE options have increased levels of Gamma and Theta, making them highly sensitive to underlying movements and allowing for rapid time decay. However, they have less Vega, meaning they are less affected by changes in implied volatility. Is it better to sell an in-the-money call or buy a protective put as a hedge against my long stock position? It depends on your goals. Selling an in-the-money call provides some income and partial protection, while buying a protective put offers more protection but at a cost. How do you calculate breakevens when you sell or buy the same option on different days with different premiums? If you're adding to an aggregate position, you can average the premiums. For example, if you paid $3 for the 100 strike call and $1 for another 100 strike call, your average cost is $2 for both calls. How do you pick a strike price for selling covered calls if you don't want to get called away? Choose a strike price further out-of-the-money to reduce the likelihood of assignment. However, this will also reduce the premium you collect. Hedging and Risk Management Can you give an example of how to hedge an existing long position in my portfolio? A few ways to protect are a protective put or a collar. For example, if you own a stock, you can buy a put option to protect against downside risk as the long put acts as an exit price to sell your shares. A collar uses a short upside call combined with a long put. The short call helps to offset the cost of the put while capping the upside exposure on the stock. Implied Volatility and Greeks Is there a relationship between expected move and gamma exposure in selecting a strike? Expected move is part of the implied volatility of the option. Gamma exposure is inversely correlated with implied volatility. Futures vs. Options What is the difference between an options contract and a futures contract? An options contract gives the buyer the right but not the obligation to fulfill the terms, while a futures contract creates a binding obligation for both parties unless closed out through a trade. There are also significant cost and risk differences between options and futures. Market Making and Trading Strategies Why do many options experts have backgrounds in market making? Market making provides a deep understanding of options through immersion in the trading environment, helping experts develop a comprehensive knowledge of options pricing and risk management. Meet OIC Instructors Mat Cashman Mat is a financial services professional and currently an instructor at The Options Industry Council. He brings 20 years of experience trading in all segments of the derivatives market. He started his career on the trading floor of the Chicago Board of Options Exchange in 2000 and has since traded multiple asset classes across a wide array of exchanges including the CME, CBOT and the Eurex Exchange. Mark Benzaquen Mark, OIC instructor and principal, Investor Education at OCC, brings 20+ years of experience with options in the financial services industry. Mark began his career in options with Stafford Trading, LLC in 1997 before transitioning to brokerage operations with MF Global in 2000. For more than a decade, Mark was the lead broker for his firm in the NDX/RUT trading pit, gaining special insight into customer order flow and trade execution.