Bollinger Bands Narrows as Coal Vectors ETF Consolidates
The Coal Vectors ETF (KOL) has been stuck in a tightening trading range the last five weeks. After the sharp January decline, the ETF formed a triangle in February. As volatility decreased, the Bollinger Bands contracted to their narrowest range since early November, seen of a triangle breakout. Watch the current triangle boundaries for the next direction clue from KOL.

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