Iron Butterfly Calculator
Max profit, breakevens and risk for an iron butterfly — short ATM straddle with protective wings.
Formula
The iron fly is a condor squeezed to one strike: bigger credit, tighter profit zone. It monetizes post-event IV crush hardest when price pins the strike — which is why traders deploy it right after a stock gaps to a round number.
Not financial advice — for informational and analytical use only. Verify all figures with a qualified professional before acting on them.
Need iron butterfly calculator results fast? Analysts, founders, traders and finance professionals use the Iron Butterfly Calculator to skip the spreadsheet and get a defensible answer in one step — free, private and instant.
About Iron Butterfly Calculator
Max profit, breakevens and risk for an iron butterfly — short ATM straddle with protective wings. The iron fly is a condor squeezed to one strike: bigger credit, tighter profit zone. It monetizes post-event IV crush hardest when price pins the strike — which is why traders deploy it right after a stock gaps to a round number. The governing relationship is BE = K_mid ± credit; max loss = wing − credit. The Iron Butterfly Calculator computes entirely in your browser — free, private (your figures never leave your device) and instant, recalculating live as you change any input.
How to use Iron Butterfly Calculator
- 1Enter Short straddle strike (ATM), Wing width, Net credit received, Contracts (×100) into the Iron Butterfly Calculator.
- 2The result is computed automatically using BE = K_mid ± credit; max loss = wing − credit — there is no button to press.
- 3Change any input to model a different scenario, then copy or share the result.
Why use Iron Butterfly Calculator?
- ✓Computes iron butterfly calculator instantly with the correct formula — no spreadsheet needed
- ✓100% free and unlimited, with no sign-up, login or paywall
- ✓Runs entirely in your browser, so the figures you enter stay private
- ✓Shows the formula, a live worked example and references so you can defend the number
Frequently asked questions
What is the formula behind the Iron Butterfly Calculator?+
Iron Butterfly Calculator uses BE = K_mid ± credit; max loss = wing − credit. The iron fly is a condor squeezed to one strike: bigger credit, tighter profit zone. The tool substitutes your actual inputs into this relationship and shows the worked example step by step.
What inputs does the Iron Butterfly Calculator need?+
Enter Short straddle strike (ATM), Wing width, Net credit received, Contracts (×100) and the result updates immediately — there is no button to press. Change any value to model a different scenario in real time.
Is the Iron Butterfly Calculator free, and is my data private?+
Yes — it is completely free with no sign-up or usage limit, and it runs entirely in your browser, so the numbers you enter are never uploaded or stored on any server. It is for informational and analytical use, not financial advice.
What should I watch out for when using the Iron Butterfly Calculator?+
It monetizes post-event IV crush hardest when price pins the strike — which is why traders deploy it right after a stock gaps to a round number.
What is the Iron Butterfly Calculator based on?+
The method follows authoritative sources: CBOE — butterfly spreads. The formula and references are shown on the page so you can verify and cite the result.
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