is anybody familiar with a purely mechanical system that has been successful in the last 7 years? i would define success as ~15% annual return with a max drawdown of 25%. the system has to be consistent year-over-year (no losing years, for example). the system is for trading stocks using an account of ~100K. the system results should be from live trading (not from backtesting). in other words, the data from years prior to 2000 could have gone into the system development. after that the newer data could have been used to modify the system as it trades forward. but at any given moment the system should have been always trading live even as it is being modified.