When do the Dark Pool Indicator (DPI) levels update? The Dark Pool Indicator (DPI) levels update at 3 AM EST daily. SpotGamma Pro and SpotGamma Alpha subscribers can access SpotGamma's Dark Pool Indicator (DPI) here. Related articles Can Dark Pool Activity Predict Stock Returns? How do I read the Dark Pool Indicator (DPI)? How do I use the Dark Pool Indicator (DPI)? What do the colors on the Dark Pool Indicator (DPI) mean? What are Dark Pools?