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The GDXJ/GDX ratio may have created a bullish inverse head & shoulders pattern over the past year.
Of late the ratio could be forming a bullish falling wedge. Two thirds of the time this pattern leads to higher prices.
If the ratio would breakout, it would be a good sign for senior and junior miners. Keep a close eye on this index in the next few weeks because where this pattern heads from here should be important for big and small miners.