Short Strangle
A short strangle sells an out-of-the-money call and put to profit from a stock staying in a range. Learn its wide safe zone, capped reward, and unlimited risk.
A short strangle is selling an out-of-the-money call and an out-of-the-money put, profiting when the stock stays boxed in a range. It is the mirror of the long strangle and the wider, safer cousin of the short straddle.
Sellers reach for it constantly, because the out-of-the-money strikes give the stock room to wander while you still collect premium. Let me show you the appeal and the danger.
Selling a Wide Range
When you short a strangle, you sell a call above the current price and a put below it, then collect both premiums. As long as the stock stays between your two strikes, both options expire worthless and you keep everything you collected.
The out-of-the-money strikes are the key. Compared to a short straddle sold right at the money, a short strangle gives the stock a much wider safe zone to drift inside. You collect a smaller premium in exchange for that extra breathing room. You are short vega and short the move, so calm markets and falling implied volatility both pay you.
Watch It Work
Apple is at $200, and you expect it to trade quietly in a range for the next month. You sell the short strangle:
- Sell the $210 call (out of the money) for $3 a share
- Sell the $190 put (out of the money) for $3 a share
- Total collected: $6 a share, or $600
That $600 is your maximum profit. You keep the full amount as long as Apple stays between $190 and $210 at expiration, and you stay profitable out to your break-evens of $216 up and $184 down.
Apple drifts to $205. Both options expire worthless. You keep the full $600, and you never needed the stock to sit perfectly still, only inside the range.
Apple spikes to $240. The $210 call is worth $30 a share. You collected $6, so you lose $24 a share, about $2,400, with more damage the higher it goes. That is the uncapped risk beyond the wings.
Why Sellers Use It, Carefully
A short strangle is one of the most popular premium-selling trades, but the risk is real.
The appeal is the wide safe zone. The stock can move a fair amount in either direction and you still win, which makes it more forgiving than a short straddle. Sellers also like to open it when volatility is high, so an IV crush deflates the options in their favor.
The danger is that the reward is capped at the premium while the risk is not. A violent move past either strike can cost far more than you collected. Disciplined sellers manage that by choosing far strikes, sizing small, and often converting to a defined-risk iron condor by buying protective wings.
- A short strangle sells an out-of-the-money call and put.
- It profits when the stock stays in a range and volatility falls.
- It has a wider safe zone than a short straddle.
- Reward is capped; risk beyond the wings is unlimited.
Pop Quiz
Three quick questions to see what stuck. Pick an answer and the explanation shows up right away.
When does a short strangle keep the full premium?
Both options expire worthless when the stock stays inside the range, so the seller keeps the whole premium.
How does a short strangle compare to a short straddle?
The out-of-the-money strikes widen the profitable range, in exchange for a smaller premium than an at-the-money straddle.
How do traders often cap the unlimited risk of a short strangle?
Buying a further call and put as protection defines the risk and converts the trade into an iron condor.
Bottom Line
A short strangle sells a wide range. Collect premium on an out-of-the-money call and put, and keep it as long as the stock stays boxed between the strikes. Its extra breathing room makes it a favorite premium-selling trade.
The shape of the risk still demands respect: your gain is capped at the premium while a big move past either wing can cost far more. Sellers manage it with far strikes, small size, and often protective wings that turn it into a defined-risk iron condor.
Keep going: the buyer's mirror is the long strangle, the tighter seller's version is the short straddle, and the defined-risk upgrade is the iron condor.