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Bollinger, p 67: "...a strong trend will cause a large expansion in volatility that causes the bands to spread dramatically. so much so that the band on the other side of the trend--e.g., the lower band in an uptrend--will head in the direction opposite to the trend. When that band reverses--turns back up in this case--that leg of the move is at an end. (emphasis in original)
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The end of the flare doesn't necessarily imply a reversal. Consolidations and continuations can also ensue.
Neither the Dow nor SPX have stopped flaring yet.
