Does GEX Work on Single Stocks? 45 Stocks Tested vs SPY | FlashAlpha
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research · 1 min read

Does Dealer Gamma Work on Single Stocks? 45 Stocks vs SPY, QQQ and IWM

We tested dealer gamma (GEX) on 45 single stocks against SPY, QQQ and IWM from 2018 to 2026: how often it is positive, whether its sign says anything about the next day, and how it behaves in selloffs.

F
Oct 30, 2026
1 min read
Research GEX SingleStocks DealerPositioning OptionSelling Volatility

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