This is a simple strategy that is working well on SPY but also well performing on Mini Futures SP500. The strategy is composed by the followin rules:
1. Today is Monday. 2. The close must be lower than the close on Friday. 3. The IBS must be below 0.5. 4. If 1-3 are true, then enter at the close. 5. Sell 5 trading days later (at the close).
If you backtest it on Mini Futures SP500 you will be able to track data from 1993. It is important to select D1 as timeframe.