I've been trading for institutions for over 6 years now.
I've been trading this very system for institutions for over 2.
Luck doesn't factor in to this. Mathematics do. You do realize that Statistical Arbitrage is one of the longest running strategies in trading, right? With the exception of Longterm Capital who ran into liquidity issues and crashed and burned some years ago, the strategy doesn't fail if implemented correctly.
BTW, thanks for the screenshot. +21,000 pips there!