NR7: narrowest range in seven
Today's high-low span is the tightest of the last seven sessions.
Toby Crabel's NR7 is the oldest volatility-contraction setup in print. The narrowest range of the week, taken as a marker that a directional day is near. It says nothing about which direction, and NR7 traders handle that by bracketing the little bar and taking whichever side breaks. The 50-day filter here leans the odds toward breaks that go up. Read the guide: Bollinger band squeeze screener for NSE →
More volatility:Bollinger squeezeWide-range moversGap up and holdGap down and failUp 15% in a month
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