What does the sliding scale in the “HIRO Signal” column indicate? Range of the entire bar: The width of the full indicator represents the 30-day range of the HIRO signal on a stock or index (Hedging Impact of Real-time Options). Here, this is represented by the full width of the long gray shape. Solid colored segment: The width of this section represents the 5-day range of the HIRO signal on a stock or index. Here, it is represented by a green area. Open Circle: This shows today’s HIRO signal relative to the last 30 days & last 5 days. The color of the circle itself relays what the intraday flow is (green positive HIRO signals and red for negative HIRO readings). For instance a dark red circle indicates the HIRO signal is near the low of the day. Colors: Red indicates negative delta flow (traders sell calls and buy puts) Green indicates positive delta flow (traders buy calls and sell puts) Yellow indicates a neutral position SpotGamma Alpha subscribers can access the SpotGamma HIRO Indicator here. Related articles What does the number beside the sliding scale in the “HIRO Signal” column indicate? What does each line on the Stock Price Chart represent? How can I use the SpotGamma HIRO to help me trade? What does the "HIRO by Sector" section represent? What symbols are listed in the SpotGamma HIRO Indicator?