The backtest from 2007 to 2020 shows an average annual return of +19.15% and a max. Drawdown of -22.46%. This give us a good reward risk ratio of 0.85 (avg. profit 19.15% / max. Drawdown 22.46%). Best result was 2020 with +60%!
If you use the TQQQ instead (leverage 3) you got an average annual return of +67.64% and a max. Drawdown of -43.82%. This give us a better reward risk ratio of 1.54. Best result was 2020 with +211%!