The Call Wall is considered SpotGamma’s major resistance level, based on current open interest. SpotGamma alerts users when this level is breached, as the stock may find resistance or mean revert back below this key trading level. The Call Wall Alert will fire on the most heavily-traded options securities.
1. Alert Bell - When an alert fires, users will see the alert bell icon on the top right of the application turn red.
2. Call Wall Breached - Additionally, “Call Wall Breached” is displayed on the alert dropdown along with the time the alert was triggered.
3. Call Wall Line - You can see the Call Wall key level line across the main viewing pane within HIRO.