My team of traders point out that the VanEck Vectors Gold Miners ETF (NYSE: GDX) has been forming a bottom over the past two months and is now on a long-term momentum buy signal.

Additionally, the MACD, shown at the bottom of the chart, just turned bullish on the weekly chart.

My team believes that a gain of at least 10% is likely in the next few months.

To best capitalize on this opportunity, my team says the January $20 calls in GDX could double in value as that price move unfolds.

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