It might be because I don't chart TZA, I use the TNA chart short signal to signal TZA long trades.
I have no idea why, but back testing TNA and TZA yields very different results for me. They should be a mirrior image but they are not as the RSI 2 indicator works.
TNA back test shows over 80 days 45 trades 41 wins of 3% or greater
TZA back test shows over 80 days 46 trades 37 wins of 3% or greater.
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