anthony.anikos Hi Peter, can i ask about: https://www.elitetrader.com/et/threads/trend-concept-is-now-history.357359/ ".... Plot the number of observation in days. This distribution curve can be fitted with C/(x^1.5) curve. You can see the half-life is very short." what u mean? x^1.5, 1.5=3/2 degree? Its options? with respect, Anthony
