Playground
Options Payoff Builder
Build 1–4 leg options strategies: straddle, strangle, iron condor, spreads, butterfly. See payoff, break-evens, aggregated Greeks. Browser-only. Free.
- Inputs
- Paste + configure
- Runtime
- 1–15 s
- Privacy
- Client-side · no upload
- API key
- Not required
- Methodology
- Open →
1 · Market inputs
2 · Legs
3 · Payoff at expiry
Emerald = net profit. Zinc = spot. Amber dashed = break-even point(s).
Net premium
$4.09
Debit (you pay)
Max profit
$45.91
Max loss
−$4.09
Break-even(s)
104.09
Underlying at expiry
4 · Aggregated Greeks at current spot
Delta
0.534
Gamma
0.0404
Theta / day
−$0.05
Vega / 1% vol
$0.14
Rho / 1% rate
$0.06
Model
Pricing uses generalised Black-Scholes with continuous dividend yield. Multi-leg positions sum each leg's Greeks with the correct sign (long = +, short = −) and contract multiplier. Payoff at expiry is the piecewise-linear sum of per-leg intrinsic values minus the net premium paid.
See methodology for formulas, assumptions, and limitations.
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