Every options strategy ultimately answers one question: what do you believe is going to happen? A long straddle is unusual because the answer isn’t “up” or “down” — it’s “something big.” Traders reach for it when they’re convinced a stock is about to move sharply but have no edge on which direction, the classic setup being the hours before a company reports earnings. Here’s exactly how the trade is built, what it costs, and the math that determines whether it actually pays off.
The mechanics: one strike, two bets, both directions
A long straddle is built from two legs opened at the same time, on the same stock, at the identical strike price and expiration date: one call option and one put option, both purchased (“long”). If you haven’t already, our Options Trading 101 primer covers what a call and a put actually are and how premium is priced — worth reading first if those terms are new. The short version: a call gives you the right to buy the stock at the strike price, a put gives you the right to sell it at the strike price, and buying both at once means you profit if the stock moves far enough in either direction.
That symmetry is the entire point. A straddle buyer isn’t predicting a rally or a selloff — they’re predicting volatility itself. The position is usually opened “at the money,” meaning the strike price sits as close as possible to where the stock is currently trading, so neither the call nor the put starts out with a directional head start.
Why traders use it: betting on the move, not the direction
The textbook use case is around a known binary catalyst — quarterly earnings, an FDA ruling, a court decision, a central bank announcement — where everyone agrees something will happen but almost no one agrees on which way the stock will jump. Holding both a call and a put means the direction doesn’t matter; only the size of the move does. A trader who straddles into an earnings report is effectively buying the company’s volatility, not its stock.
This is also why professional options desks describe the trade as a pure play on implied volatility. Before a known event, options tend to get expensive because everyone expects a big swing and prices that expectation into the premium. After the event, if the news turns out to be anticlimactic, that inflated premium can evaporate in hours — a phenomenon traders call “volatility crush.” A straddle bought right before earnings needs the stock’s actual move to exceed what the options market had already priced in, not just any move at all.
The worked example: breakeven is just strike plus premium
Numbers make this concrete. Picture a stock trading at $100 the day before it reports earnings. A trader builds a long straddle using the $100 strike expiring the following week:
- Buy 1 call, $100 strike: premium = $4.20 per share ($420 per contract, since one contract covers 100 shares)
- Buy 1 put, $100 strike: premium = $3.80 per share ($380 per contract)
- Total premium paid: $8.00 per share, or $800 for the pair of contracts — this is the maximum possible loss, full stop
The breakeven math is simple addition and subtraction around the strike. Since both options expire at the same strike, the combined premium becomes the exact distance the stock needs to travel — in either direction — before the position turns a profit:
- Upper breakeven = strike + total premium = $100 + $8.00 = $108
- Lower breakeven = strike − total premium = $100 − $8.00 = $92
That means the stock has to move more than 8% in a single direction — up through $108 or down through $92 — before the trader gets their money back, let alone profits. If the stock closes anywhere between $92 and $108 at expiration, both options lose value and the trader is out some or all of the $800. If the stock gaps to $115 after a blowout earnings report, the call alone is now worth $15 per share ($1,500 for the contract), the put expires worthless, and the net profit is $1,500 − $800 = $700. If instead the stock craters to $85, the put is worth $15 per share and the profit is the same $700 — direction never mattered, only distance. The breakeven points are symmetric because the formula is literally the strike plus or minus one number: the combined premium.
The honest risk framing
A long straddle is frequently mispresented as a “can’t lose” trade because it profits in both directions. That framing skips the hard part: both legs are long options, and every long option is a wasting asset. Time decay, measured by the Greek theta, works against the position on both the call and the put simultaneously, every single day, whether or not anything happens to the stock. A straddle held through a quiet week doesn’t just fail to profit — it actively bleeds value as expiration approaches and less time remains for the big move to occur.
Layer on the volatility crush problem from earnings trades specifically: implied volatility (and therefore premium) is often richest right before the event and collapses right after it, regardless of which way the stock moved. A trader can be “right” that a stock will jump 6% on earnings and still lose money on the straddle, if the options were priced for an 8%+ move and the crush in implied volatility outweighs the modest directional gain. In the example above, a move to exactly $108 or $92 isn’t a win — it’s breakeven before accounting for trading costs; anything short of that is a loss, and the full $800 is at risk if the stock barely moves at all.
None of this makes a long straddle a bad tool — it’s a legitimate, widely used way to express a view on volatility without guessing direction. But it is not a low-risk strategy, and it is not a shortcut around doing the work of estimating how big a move is actually likely. It requires the stock to beat the market’s own expectation of movement, embedded in the premium, before expiration arrives.
This article is for educational purposes only and does not constitute investment advice. Options trading carries substantial risk, including the potential loss of the entire premium paid, and is not suitable for every investor. Always do your own research or consult a licensed financial advisor before trading options.
Photo: Jakub Żerdzicki / Unsplash.
