No trading method is going to produce purely profitable trades. All data used in calculations or assessments has measurement error. What Ewave and Hurst offer is a significant reduction of risk.
I'm working on a spectral analysis approach, motivated by Hurst's findings of periodic trends in the market. One of the studies will include backtests to determine the probability and quantity of profit X number of days, weeks, and months in the future. I fully expect imperfection. When the odds are not in my favor, I'll park cash on the sidelines.
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