Thank you for the answer.
To further simplify where do Thrust differs from 2D thrust?

With reference to the pdf "The 20DMF November 22, 2011" could you clarify a bit better when a secondary short position can start?
The strategy is defined to be applied to SPY ETF?
In your backtests I saw you took the close price (of the S&P500 index). But in the real time trading the first price available for trading, after your charts are released, is the open price. Have you ever backtest your ideas trading at the open instead that at the close?
Giuseppe