# R3 This strategy was taken from chapter 4 of [*High Probability ETF Trading*](https://moshferatu.dev/moshferatu/high-probability-etf-trading) (2009) by Larry Connors. ## Rules **Long** 1. The ETF (e.g., SPY) is above its 200-day moving average. 2. The 2-period RSI drops 3 days in a row and the first day's drop is < 60. 3. If the 2-period RSI closes < 10, enter a long trade. 4. **(Optional Aggressive Version)** Enter a second long if price closes lower than the initial entry price at any point during the first trade. 5. Exit the trade when the 2-period RSI closes > 70. **Short** 1. The ETF (e.g., SPY) is below its 200-day moving average. 2. The 2-period RSI rises 3 days in a row and the first day's rise is > 40. 3. If the 2-period RSI closes > 90, enter a short trade. 4. **(Optional Aggressive Version)** Enter a second short if price closes higher than the initial entry price at any point during the first trade. 5. Exit the trade when the 2-period RSI closes < 30. ## Parameters **Long-Term Trend Period**: The period of the long-term trend as measured by a simple moving average. (Default: 200) **RSI Period**: The period used in the RSI calculation. (Default: 2) **RSI Smoothing**: The smoothing used in the RSI calculation. (Default: 1, no smoothing) **Consecutive Days**: The number of days in a row that RSI must drop / rise. (Default: 3) **Enable Long Trades**: Whether to enable taking long trades. (Default: true) **Long First Day RSI**: The RSI value below which the first day's drop must be to enter a long trade. (Default: 60.0) **Long RSI Entry**: The RSI value below which to enter a long trade. (Default: 10.0) **Long RSI Exit**: The RSI value above which to exit any long trades. (Default: 70.0) **Enable Short Trades**: Whether to enable taking short trades. (Default: true) **Short First Day RSI**: The RSI value above which the first day's rise must be to enter a short trade. (Default: 40.0) **Short RSI Entry**: The RSI value above which to enter a short trade. (Default: 90.0) **Short RSI Exit**: The RSI value below which to exit any short trades. (Default: 30.0) **Enable Aggressive Entries**: Whether to enable the optional aggressive trade entries. (Default: true) ---