Volume dry-up near highs
Holding within 5% of the 52-week high on barely half its normal volume — supply running out.
A stock that stays near its highs while volume falls to 60% of normal is a stock nobody is willing to sell at these prices — the quiet before the mark-up, in the accumulation reading. The bearish reading is that nobody cares; the difference is usually settled by the first high-volume day that follows, which is why this scan pairs with the volatility-contraction one rather than replacing it.
More volatility:Bollinger squeezeWide-range moversGap up and holdGap down and failUp 15% in a month
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