Iron Condors in a Gamma Framework

Structure recap

An iron condor is a put credit spread plus a call credit spread on the same expiration. You collect both credits and win if price finishes between the short strikes. Max profit is total credit; max loss is the wider wing width minus the credit.

Placing wings at the walls

In a positive-gamma regime, dealer hedging actively compresses price between the Put Wall and the Call Wall. Placing short strikes just beyond each wall means the same flow that pins the market is defending your position, instead of an arbitrary 16-delta line that ignores where hedging density actually sits.

When not to trade one

Do not sell condors below Zero Gamma. In a negative-gamma regime dealer hedging accelerates moves, and the tail you sold is exactly the tail that gets hit. Also skip condors into a known event where the implied move exceeds your wing distance.

• Require positive net GEX and spot comfortably above the flip.
• Require credit ≥ 25–33% of wing width, otherwise the payoff is not worth it.
• Require the expected move to sit inside your short strikes.

Management

Take profit at 50% of credit. Roll or close the tested side when its short strike delta reaches roughly 0.30, and never add size to defend a losing side — that converts a defined-risk trade into a directional bet.

A worked example

SPX at 5,000 in a positive-gamma regime with Call Wall at 5,060 and Put Wall at 4,940. Sell the 5,070/5,090 call spread and the 4,930/4,910 put spread for a combined credit of $5.50 on $20 wide wings, risking $14.50 to make $5.50 — a 38% return on risk if price stays inside 4,930-5,070 through expiration. If spot drifts to 5,055 and the tested call spread's short strike delta rises to 0.30, close or roll that side rather than waiting for a possible breach.

Adjusting a tested side

When one side is threatened, the standard adjustment is to roll the untested side closer to collect additional credit, partially financing a roll of the tested side further away. Only do this once per expiration cycle — repeated rolling on a losing side is how a defined-risk trade quietly becomes an oversized one.

• Roll the untested side in only if it still leaves at least a 15-20 point buffer to spot.
• Never roll the tested side into a strike inside the current gamma wall.
• If the regime flips to negative gamma mid-trade, closing the whole position is often better than adjusting.

Practice this in the terminal

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