S&P 500 E-mini Futures (daily candles) - (1) - (2) - (3) - (4)
(1) 2BNR is the 2 Bar Narrow Range: If the 2-day-range (the higher of the 2 highs less the lower of the 2 lows) is the narrowest 2-day-range in the last 20 trading sessions then we are currently sitting on a 2BNR.
(2) 3BNR is the 3 Bar Narrow Range: If the 3-day-range (the higher of the 3 highs less the lower of the 3 lows) is the narrowest 3-day-range in the last 20 trading sessions then this is true.
(3) » Next time you see an Outside Day with a down close lower than the previous day, don't get scared, get ready to buy ! «
(4) 4BNR and Inside Day with an Up-Close - narrowest weekly range of last 7 ... weekly directional change already due? ... or early September?
Reference:
Toby Crabel (1990) - 2-Bar Narrow Range Setup.
Toby Crabel (1990) - The Principle of Contraction/Expansion.
Toby Crabel (1990) - Definition of Price Patterns.
Larry Williams (1998) - Outside Bar Trading Setups.