Tell us how you trade and we'll point you to the right research segment.
Talk to Our Team →Start with our beginner-friendly guides on market basics, order types, and risk management before you place your first trade.
Start Learning → Browse All Articles →How to calculate F&O turnover is an essential aspect for options traders who wish to cultivate a disciplined trading approach. It is vital to comprehend how the concentrated window of corporate earnings announcements affects options trading to effectively adapt one’s strategies.
Options tips for earnings season have to start from a pattern that is easy to state and surprisingly easy to forget in the moment: options on a stock expecting results tend to get more expensive in the days beforehand, and that added expense tends to evaporate quickly once the numbers are out, regardless of whether the stock itself moved up, down, or barely at all. Traders who understand this pattern position around it deliberately. Traders who don’t tend to discover it the hard way, holding a technically correct directional call that still lost money because the volatility premium collapsed faster than the stock could move. This piece works through why that pattern exists, how to read it before it happens, and how to structure a position that accounts for it rather than fights it.
An earnings announcement is one of the few genuinely scheduled events where the market knows precisely when new, potentially significant information will arrive, but has no idea what that information will actually say. This combination — a known date, an unknown outcome — is exactly the condition that pushes option premiums higher in the sessions leading into the announcement, as the market prices in a wider range of plausible outcomes than an ordinary session would justify.
This rise in implied volatility is not a judgement about which way the stock will move. It reflects genuine uncertainty about the size of the move in either direction. A stock can carry elevated implied volatility ahead of results even when most market participants expect a fairly ordinary outcome, simply because a fairly ordinary outcome is not guaranteed, and pricing has to account for the tail possibility that it isn’t.
Calling an option expensive ahead of results is only meaningful relative to how it is priced the rest of the time. The same strike and expiry, priced a few weeks before results are due, will typically carry noticeably lower implied volatility than it does the day before the announcement. A trader comparing the pre-results premium only against the current stock price, without checking how that premium has changed over the preceding weeks, will consistently underestimate how much of the price already reflects the coming event.
Once results are announced and the market has had a chance to absorb them, implied volatility on that stock’s options typically falls, often sharply, regardless of whether the reaction to the results themselves was positive, negative or muted. This is usually described as the volatility, or IV, crush, and it is one of the most reliable patterns around scheduled corporate events.
The reason is straightforward once the mechanism is understood: the uncertainty priced into the option was specifically uncertainty about the announcement. Once the announcement has happened, that particular source of uncertainty is resolved, whatever the outcome. Pricing adjusts to reflect a stock that is, at least for now, back to behaving like an ordinary position rather than one on the eve of a known event.
This is the specific mechanism behind a pattern that catches out a great many traders around results: buying a call or a put ahead of the announcement, being broadly correct about which way the stock would move, and still ending up with a position worth less than expected, or even at a loss, because the volatility crush offset a meaningful part of the gain from the underlying’s move. This is not a sign the read on direction was wrong. It is what a defined, scheduled volatility event does to option pricing, and it happens whether or not the trader anticipated it.
Options pricing ahead of a known event implies a rough expected range for the move, derived from how elevated implied volatility has become relative to the stock’s ordinary behaviour. This is not a precise forecast, but it is a genuinely useful reference point: it tells a trader roughly how large a move the market is already braced for, which is the move that has to be exceeded for a simple directional position to overcome the volatility crush and still come out ahead.
A habit worth building is comparing the implied move against how the stock has actually behaved around previous results, where that history is available. A stock that has a track record of moving considerably less than its own pre-results pricing implied, across several past cycles, is telling a trader something useful about how that specific stock’s options tend to be priced around this particular event, independent of what any single upcoming announcement might bring.
The combined price of an at-the-money call and put with the same strike and expiry, read together rather than separately, is one of the more direct ways to see the market’s own implied move for a given event, since together they roughly bracket the range the pricing is actually accounting for. Watching how that combined price changes over the days leading into results, rather than checking it only once, shows whether the market’s own estimate of the expected move is still building or has already largely settled.
Given how much of the expected move is typically already reflected in premium ahead of results, a position built purely on guessing direction often faces a difficult risk-to-reward relationship even when the direction is guessed correctly. A structure that can benefit from the volatility collapse that reliably follows the announcement, rather than one that depends on volatility staying elevated, tends to be better matched to what actually tends to happen once results are out.
A structure with a maximum loss fixed at entry removes one layer of uncertainty from an already uncertain period. Whatever the size of the stock’s actual reaction once results are announced, the maximum possible loss on a defined-risk structure does not change, which matters more heading into a period where the size of the move is genuinely unknown in advance than it does on an ordinary session where the range of likely outcomes is comparatively narrower.
This does not mean a simple directional position is never appropriate around results. It means the decision to hold one through the announcement should be made with the volatility crush explicitly accounted for, rather than assumed away because the direction feels obvious. A position sized and structured with that crush in mind behaves very differently from one that discovers it only after the fact.
Not every position needs to be closed before results. But every position held through the announcement should be sized with that specific event’s added uncertainty explicitly considered, rather than left at whatever size felt appropriate on an ordinary session before the date was close enough to matter.
A useful discipline is deciding, a few days ahead rather than in the final hours, whether a given view is strong enough to justify holding through results at full size, worth holding at a reduced size, or better closed and potentially re-entered once the announcement has been absorbed and the immediate volatility has settled. Making this decision calmly in advance produces steadier outcomes than deciding it under the pressure of the announcement being hours away.
An alternative approach some traders favour is deliberately avoiding a position through the announcement itself and instead waiting for results to be out before deciding anything. This sacrifices the possibility of capturing a large directional move but avoids the volatility crush entirely, since the position is only opened once the crush has already happened and pricing has normalised. Neither approach is universally correct — it depends on how much weight the trader places on capturing the event itself versus avoiding its specific pricing risk.
Stocks differ meaningfully in how they tend to behave around their own results, and that history is worth studying before applying a generic approach. Some stocks reliably move by a wide margin on results day, session after session. Others tend to drift for days afterward as the market continues digesting the detail beneath the headline numbers, rather than reacting fully within the first session.
A stock in the second category rewards patience that a purely results-day-focused approach would miss entirely. Closing a position the morning after results, purely because the initial reaction looks smaller than expected, can mean exiting just before the more meaningful part of the move actually develops over the following sessions. Knowing which pattern a given stock has tended to follow, based on genuine history rather than assumption, shapes how quickly a position should be judged.
It is also worth noting that results season is rarely a single isolated date for a sector rather than one company in isolation — related businesses in the same sector often report within the same broad window, and an early reporter’s results can shift how the market prices options on others still waiting to announce. A strong or weak update from one business can quietly move implied volatility on a peer that has not yet reported anything itself, purely because the market is updating its expectations for the sector as a whole ahead of that peer’s own date.
Each of these comes from applying ordinary-session habits to a period that is not an ordinary session, and the fix in every case is the same: remember, before the date arrives, that the usual assumptions about option pricing were not built with this specific kind of event in mind.
For a trader who regularly trades around results across a number of stocks, a simple recurring checklist tends to work better than reassessing the whole approach from scratch each time. Note the announcement date well in advance, check how implied volatility on the relevant options has moved relative to a few weeks earlier, note what that pricing implies about the expected move, and decide deliberately — before the date is close enough to feel urgent — whether and how to be positioned through it.
Keeping a short record of what was expected against what actually happened, across several results cycles on the same stock or across different stocks, builds a genuinely useful sense of how reliable this pattern is in practice, and where a specific stock tends to deviate from the general rule. That record is worth more over time than any single cycle’s outcome, good or bad.
The same checklist also protects against a subtler mistake: forgetting that a position opened weeks earlier, for entirely unrelated reasons, may still be open when a results date arrives. A routine that flags upcoming announcements against every open position, not only new ones being considered, catches this before the event arrives unexpectedly rather than after.
Not necessarily, but they should be sized and structured with the specific pricing dynamics of the period in mind, particularly the tendency for implied volatility to rise ahead of results and fall sharply once the announcement is absorbed.
When the announcement closely matches what had already been anticipated during the run-up, there may be relatively little genuinely new information left for the market to react to, since a meaningful part of the reaction may already have occurred in the preceding sessions.
It happens reliably in the sense that implied volatility on the affected options almost always falls once the announcement is absorbed. The size of that fall varies depending on how elevated volatility became beforehand and how close the actual outcome was to what the market had priced in.
It avoids the volatility crush entirely, since the position is opened only once pricing has normalised, but it also gives up the chance of capturing the initial reaction. Whether that trade-off is worthwhile depends on how much a trader values participating in the event itself.
Risk Disclosure: Engaging in equity, futures, options, and commodities trading involves risk, including the potential loss of principal. Past performance is not indicative of future results. The research, insights, and trading ideas provided on this platform serve educational and informational purposes only and should not be interpreted as a profit guarantee. Assess your own risk appetite, consult with a qualified financial advisor as necessary, and trade responsibly.