How to read a dealer gamma exposure chart
A practical guide to the bars, walls and gamma flip on a GEX chart, including the position assumptions hidden behind the picture.
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Dealer gamma and options positioning: the SteadyTrader blog
Skip to contentHow 0DTE gamma changes during the trading daySame-day options can change sensitivity quickly. Here is why a morning gamma map may tell a different story by the afternoon. Open interest vs volume in a GEX chartA million contracts traded today does not mean a million contracts were added to the option book. Here is how to read the two figures. Why SPX, SPY and QQQ gamma levels differRelated markets can show different walls and flips. Contract size, expiry mix, settlement, and the underlying all change the picture. Gamma exposure vs implied volatilityBoth come from options, but one models how delta may change with price while the other is backed out of option prices. How to read a dealer gamma exposure chartA practical guide to the bars, walls and gamma flip on a GEX chart, including the position assumptions hidden behind the picture. Why gamma levels can disagreeWhy two models can read the same option chain and produce different walls, flips, and exposure estimates. Reading the gamma flipHow to read an estimated gamma flip without treating it as a guaranteed regime boundary or trade signal.
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