What does the Delta Filter in the SpotGamma HIRO Indicator mean? The Delta's Filter in the SpotGamma HIRO Indicator takes out trades that are smaller than the number you denote in the filter setting. For example, if you enter "50" in the Delta's Filter box icons that have a hedge impact smaller than 50 will be removed from view. For instructions on how to change the Delta's Filter in the SpotGamma HIRO Indicator click here. Related articles What does the Use Aggregation filter in the SpotGamma HIRO Indicator do? How can I adjust the settings in the SpotGamma HIRO Indicator? How do I use the SpotGamma HIRO Indicator? Can I reset the cumulative line in the HIRO Indicator? What is key value of the SpotGamma HIRO Indicator?