In attachement a picture of a test I did in Amibroker based on the robot trades. It shows (when not taking into account strong/weak signals) that the optimal allocation (highest return for the least risk) is :
IWM: 68%
GDX: 32%
Of course like all backtests this is purely theoretical. But it kind of matches Paul's findings based on the ETF data alone. And it also matches Pascal's tests that show the combination of a double leverage Russel2K ETF combined with GDX works best.
If we'd be making a cocktail the recipe would be ... one part GDX, two parts IWM and a dash of lime.
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