In Equity Hub™, stocks have negative gamma. How is it possible that the market as a whole has positive gamma? The assumptions that we make about the way options are positioned are different for the SPX/SPY index products versus underlying stocks. SpotGamma Pro and SpotGamma Alpha subscribers can access Equity Hub™ here. Related articles How do I use Equity Hub™? Understanding Equity Hub™ Scanners Can Dark Pool Activity Predict Stock Returns? How can I search for multiple tickers at a time in Equity Hub™? What is Key Delta Strike?