Please find attached the official performance track records since the GDX and IWM robots came online in early March 2011.
Over the period, the GDX robot had a compounded return of + 35.38% vs. + 4.67% for a buy & hold strategy.
The IWM robot had a compounded return of + 4.91% vs. - 16.38% for a buy & hold strategy.
Billy
Robot Trades Aug 29.xls