Long time trader John Bollinger has warned that bitcoin’s flash rally to over $10,400 on Monday was fake, adding that losses might be on the way.“This is a Head Fake at the upper Bollinger Band for $btcusd,” tweeted Bollinger, inventor of the Bollinger Bands indicator.A ‘head-fake’ trade happens when an asset price makes a move in one direction, but then reverses course and moves in the opposite direction, according to the know-it-all online dictionary Investopedia.Bollinger Bands define high and low on a relative basis. By definition prices are high at the upper band and low at the lower band.John Bollinger urged investors to…

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