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The Iron Butterfly

advanced7 min read

A tighter, higher-reward cousin of the condor for when you expect price to pin a level.

The iron butterfly is the iron condorA range-bound options strategy with defined risk.’s tighter, higher-conviction cousin. Instead of selling *OTMWhere an option’s strike sits relative to the current price.* callThe right, not the obligation, to buy or sell at a set price. and putThe right, not the obligation, to buy or sell at a set price. (condorA range-bound options strategy with defined risk.), you sell them *at the same ATMWhere an option’s strike sits relative to the current price. strikeThe fixed price at which an option can be exercised.* (like a short straddleBuying a call and put at the same strike to trade volatility.), then buy protective wings. The result: more premium, a higher peak reward — but a narrower profit zone.

CondorA range-bound options strategy with defined risk. vs butterfly is a clean probability-vs-reward dial, and seeing it makes both click. The **iron condorA range-bound options strategy with defined risk.* sells OTMWhere an option’s strike sits relative to the current price. strikes → a wide profit range (high probability of winning) but less premium. The iron butterfly sells ATMWhere an option’s strike sits relative to the current price. strikes → much more premium and higher peak profit, but a narrow profit zone (you need price to pin near the centre). So you choose by conviction: expect a broad, lazy range → condor; expect price to sit right at a specific level* (e.g. a pin near a big strikeThe fixed price at which an option can be exercised. at expiry) → butterfly. Same defined-risk machinery (short core + bought wings), just dialled toward higher reward / lower probability. Width of the range you sell is the probability-reward trade-off.
ExampleNiftyA basket of stocks tracked together to represent a market. at 22,000. Sell the 22,000 callThe right, not the obligation, to buy or sell at a set price. & putThe right, not the obligation, to buy or sell at a set price., buy the 22,300 callThe right to buy the underlying at a set price — a bullish bet. & 21,700 putThe right to sell the underlying at a set price — a bearish bet. → collect a fat ₹250 credit. If NiftyA basket of stocks tracked together to represent a market. pins near 22,000 at expiry, you keep most of it — a bigger payday than a condorA range-bound options strategy with defined risk.. But the profit zone is tight, so even a moderate drift toward a wing eats the gain. High reward for a precise view.
Key takeawayAn iron butterfly = sell ATMWhere an option’s strike sits relative to the current price. callThe right, not the obligation, to buy or sell at a set price.+putThe right, not the obligation, to buy or sell at a set price. + buy wings: more premium and higher peak reward than a condorA range-bound options strategy with defined risk., but a narrow profit zone needing price to pin near the strikeThe fixed price at which an option can be exercised.. CondorA range-bound options strategy with defined risk. = wide range/lower reward/higher odds; butterfly = narrow/higher reward/lower odds. Width sold = the probability-reward dial.
FAQs
When would I pick a butterfly over a condor?

When you have a strong view that price will stay *very close* to a specific level by expiry (e.g. pinning a heavily-traded strike), and you want the higher reward. If you only expect a broad, calm range, the condor’s wider profit zone and higher win rate are safer. It’s conviction (precise vs broad) that decides.