Sell an out-of-the-money put and call, and collect credit for a wide range.
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P&L at the selected date, priced with Black–Scholes. At 0 DTE the curve is pure intrinsic value. A tool, not a recommendation.
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What a Short Strangle is
Structure: Short 1 OTM put + short 1 OTM call, same expiry. Taken for a net credit, with no long wings.
A short strangle sells a put below the market and a call above it, collecting both premiums. If the stock finishes anywhere between the two strikes, both expire worthless and you keep the credit.
It is the same idea as an iron condor without the wings — which means more credit, more capital efficiency, and no defined worst case. The put side is bounded by the stock reaching zero; the call side is not bounded at all. The tool draws that truthfully rather than truncating it: the upper arm keeps climbing.
The numbers
Max profit
total net credit, if the stock finishes between the two strikes
Max loss
put side: put strike − credit (stock to zero) · call side: unbounded as the stock rises
Breakeven
put strike − total credit · call strike + total credit
These are at-expiration formulas. The chart above prices the structure at the selected date with Black–Scholes — at 0 DTE the curve is pure intrinsic value. A tool, not a recommendation.
When traders use it
You expect a range-bound market and want credit from both sides.
You have the margin, and the discipline, to manage the position when a side goes in-the-money.
You understand that the credit is compensation for taking undefined risk.
What works against it
The call side has no ceiling: a gap higher loses more than the credit ever paid, and more than any fixed number on the page.
The put side can require buying stock at the strike — possibly far more size than intended.
Assignments are the operator's problem, not the model's: early assignment on either leg leaves you with stock or a naked leg.
Short Strangle questions
Is a short strangle riskier than an iron condor?
Yes, structurally. The condor pays for long wings that cap the loss. The strangle keeps more credit and accepts an uncapped loss on the call side. The two payoff curves side by side show exactly what those wings cost.
How much can I lose on a short strangle?
On the put side, the put strike minus the credit if the stock goes to zero. On the call side, there is no maximum — the loss grows with the stock price for as long as the position stays open. The calculator does not invent a cap that does not exist.
What is the max gain?
The total credit, and it is reached anywhere between the two strikes at expiration.
How should this be sized?
Against the undefined side, not the credit. Standard margin requirements on a naked strangle can be a multiple of the premium collected, and the risk tools here show the loss per dollar of move so the exposure is visible.
If it goes against you: common mitigations
Every entry below is a response traders commonly plan before entry, with what it actually costs. Which one is right depends on why you entered and what you now expect — that is a judgement the calculator cannot make for you, and none of this is advice.
Roll the tested side away
Buy back the side being approached and sell a further-out strike in a later expiry.
Pros: Moves the strike out of the way and can bring in additional credit.
Cons: The risk on that side stays undefined and the exposure now lasts longer.
Consider when: The move looks like a spike rather than a trend, and you can still execute the roll.
Buy a wing to define the risk
Purchase a further-out option on the tested side, converting it into a spread.
Pros: Puts a floor under the worst case instead of an open-ended loss.
Cons: Costs money at the moment the trade is losing, and reduces what the position can make.
Consider when: The position is large relative to the account and the uncapped side is the part you cannot hold.
Close the tested leg only
Buy back the put (or the call) that is being approached and keep the other side short.
Pros: Halves the exposure and stops the bleeding on the side that is being tested.
Cons: What remains is a single naked short option with the same problems as before.
Consider when: One side has become the whole problem and the other still looks safe.
Take the loss and reset
Close the whole strangle and re-enter later with different strikes if the thesis still holds.
Pros: Ends the undefined exposure and clears the margin hold.
Cons: Realises the loss, and re-entering means paying the spread twice.
Consider when: The credit no longer looks adequate for the risk the position is carrying.