This strategy was taken from chapter 8 of [Short Term Trading Strategies That Work](https://moshferatu.dev/moshferatu/short-term-trading-strategies-that-work) (2008) by Larry Connors.
I don't have a way to aggregate backtests over a universe of stocks (e.g., S&P 500 and Nasdaq 100) at the moment.
I also lack a historical list of each index's constituents that is free of survivorship bias (i.e., includes stocks of companies that were ultimately delisted).