SuperDriveGuy: It's certainly possible to do what you are describing (i.e. calculating the index value in real time and attempting to arbitrage any differences between cash and the future). Perhaps, a more prudent question would be to ask yourself, whether the activity you describe, is a useful...
I think certain personality types are more prone to "Revenge Trading" than others. In my experience, the best way to manage this tendency, is to use the following guidelines:
1. Carry out your "due diligence" THOROUGHLY before entering the markets (this includes setting up exit points well in...