Straddle: long volatility options strategy explained

By Ken Chigbo, Founder, KenMacro. Published 2026-05-13.

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What is straddle?

A straddle is a non-directional options structure that combines a long call and a long put sharing the same strike and the same expiry date. The position carries positive gamma and positive vega, meaning it benefits from large realised moves and from rises in implied volatility. The maximum loss is capped at the total premium paid for both legs, while the upside is theoretically unbounded on the call side and substantial on the put side. Traders deploy straddles when they expect a significant move but have no firm directional view, typically around scheduled catalysts such as earnings, central bank meetings, or major data releases.

How traders use straddle

Retail traders most often use straddles to position around binary events on equities and FX, buying the structure a few days before earnings or an FOMC decision and closing shortly after the catalyst, before theta decay erodes value. Institutional desks treat straddles as a clean expression of long volatility, comparing the breakeven move implied by the premium against historical realised moves on similar events. The desk watches implied volatility carefully: paying an elevated IV before a known catalyst can produce a loss even when the underlying moves, because IV typically collapses after the event. Position sizing centres on the total debit, since that figure represents maximum loss. Some traders delta-hedge the straddle, locking in gamma profits as the underlying oscillates rather than betting on a single directional break.

Worked example of a straddle around earnings

Consider a stock trading at 100 the day before earnings. A trader buys the 100 strike call for 3.00 and the 100 strike put for 3.00, paying a total debit of 6.00 per share. The breakevens sit at 94 and 106, meaning the stock must move more than 6 percent in either direction by expiry for the structure to print a profit at expiry. If the stock gaps to 110, the call is worth roughly 10.00 and the put expires worthless, returning 4.00 net. If the stock closes at 100, both legs expire worthless and the full 6.00 debit is lost.

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Frequently asked

What is the difference between a straddle and a strangle?

A straddle uses the same strike price for both the call and the put, usually at or near the current spot. A strangle uses different strikes, typically with the call above spot and the put below spot. Strangles cost less in premium because both legs start out of the money, but they require a larger move to reach breakeven. Straddles are more expensive but begin closer to profitability for any meaningful move.

When should a trader avoid buying a straddle?

Avoid long straddles when implied volatility is already elevated relative to the realised move the underlying typically delivers on the catalyst in question. Paying rich premium into an event often results in a loss even when price moves, because implied volatility collapses after the event resolves. Quiet periods with no scheduled catalyst also tend to punish long straddles through theta decay, which accelerates in the final weeks before expiry.

Can you sell a straddle instead of buying one?

Yes. A short straddle involves selling both the call and the put at the same strike, collecting the combined premium. The position profits if the underlying stays near the strike through expiry and loses if it moves sharply in either direction. Short straddles carry theoretically unlimited risk on the call side, so they are typically run by experienced traders with strict risk controls, margin capacity, and often a hedging plan.

How does theta affect a long straddle?

Theta represents the daily loss in option value from the passage of time, and a long straddle holds two long options, so it pays theta on both legs. Decay accelerates as expiry approaches, especially in the final two weeks. This is why straddles bought well ahead of a catalyst can bleed value even when the underlying moves modestly. Traders often prefer shorter-dated straddles placed close to the event to limit time decay exposure.

Educational analysis only. Past performance does not guarantee future results. Manage risk against your own portfolio.