Bearish Dark Pool Readings SpotGamma Scanner Bearish Dark Pool Readings - Statistics show that a DPI reading under 30 is correlated to a negative stock return over the following 60-day period. SpotGamma Pro and SpotGamma Alpha subscribers can access Scanners here. Related articles Top Gamma % Expiring this Friday SpotGamma Scanner Highest Put/Call Ratio SpotGamma Scanner 1% Margin of Hedge Wall SpotGamma Scanner Bullish Dark Pool Readings SpotGamma Scanner High Impact SpotGamma Scanner