I agree with the bear trap scenario. We are witnessing the usual “false then fast move in the opposite direction”.
The initial ATR–based stop (47.94) was computed 4 days ago when ATR% was higher than today. Because of the declining volatility during the 3-day slide, it became harder for GDX to hit the stop at its extreme move down compared to history. If a prolonged sell-off was developing, ATR would likely have risen and GDX would have hit the stop today. Remember that only 5% of trades need to be exited on a stop trigger before a model signal change. This mostly happens in panic selling or buying with exploding volatility.
The lessons are:
1) ATR% is key to risk management of a position and central to the robots and multi-pivot risk methodology.
2) Pascal is one of the best back-testers on earth and today’s action relative to the stop can only further improve our confidence in the system’s rules that he has optimized.
Billy