Bollinger Bands %B

Bollinger Band Percent (BB %B) quantifies a symbol's price relative to the upper and lower Bollinger Band. There are six basic relationship levels:

• %B equals 1 when price is at the upper band

• %B equals 0 when price is at the lower band

• %B is above 1 when price is above the upper band

• %B is below 0 when price is below the lower band

• %B is above .50 when price is above the middle band (20-day SMA)

• %B is below .50 when price is below the middle band (20-day SMA)