Did a little number crunching and manual chart testing on your method and looks VERY PROMISING.

Studied: EUR/USD

20 trading days studied (Dec 2-30)

12 days were over +20 pips (ranging up to +103 pips)
7 days were between +6 and +19 pips
1 day never triggered a trade

Looking forward to someone doing an EA on this method.

Good Work!