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Neutral strategy · Advanced

Short Strap

Market outlook Range-bound with upside risk tolerance

Two short calls and one short put at the same strike collect elevated premium, betting the stock settles near that price with more risk skewed to the upside.

Advanced InstitutionalVery High risk30–45 days

Interactive position

Build the legs

B/SExpiryStrikeTypeLotsPrice

Expiry is a label only — every leg is priced at expiration regardless of the date shown.

Maximum profit
Maximum loss
Risk / reward
Break-even
Position analyticsExpiry payoff
At expiryCurrent spot
Profit / loss at expirationPer complete position · 100 shares per option contract
Expiration scenarios
Price at expiryMoveProfit / loss

Strike configurations

Short Strap variations

2:1 short strap (as shown)

ATM

Sell two calls and one put at the same strike.

Key difference: Standard weighting balancing extra premium against upside risk concentration.

Best for: Traders who want short-straddle income with a defensive lean against a rally.

3:1 short strap

ATM

Sell three calls and one put at the same strike for a stronger defensive skew.

Key difference: Collects more premium but concentrates even more risk on the upside.

Best for: Traders with strong conviction the stock will not rally, willing to accept larger asymmetric upside risk.

Common questions

Short Strap FAQ

Why sell an extra call instead of a balanced straddle?Setup

The extra short call increases the premium collected and expresses a view that a rally is less likely than a decline, at the cost of a larger loss if the stock does break out to the upside.

Is a short strap riskier than a short straddle?Greeks & Risk

Yes, particularly to the upside — the extra short call means losses on a rally compound faster than they would on a standard short straddle of the same size.

Who trades this structure?When to Use

Experienced premium sellers with a specific view that upside risk is limited, comfortable managing undefined, asymmetric risk that a beginner-friendly defined-risk spread would avoid.

How does this compare to a short strap's mirror image?Comparisons

A short strip would instead sell two puts and one call, skewing the defensive lean toward the downside instead — the naming follows the same convention as the long strip and strap strategies.

Model boundary

This calculator uses intrinsic value at expiration and entered premiums. It excludes implied volatility, Greeks, time decay before expiration, fees, tax, dividends, liquidity, margin, assignment and exercise behavior. Educational illustration only—not financial advice.