How to Read Daily Percent B Chart
The Absolute %B values for 10 and 20 day periods are reported for the date shown.
The Percentile value corresponding to the %B value is reported for the indicated date.
For reference, historical %B values for each of the durations is shown for typical percentile values (5th to 95th).
FAQ's on Daily Percent B (%B) Charts
1. What does Percent B (%B) for and what is its significance ?
%B is quantitative measure of strength of security that shows the closing price of a security as a percentage of Upper and Lower Bollinger Bands®.
2. Why are Percent B (%B) values for 10 and 20 shown ?
%B values for two different day periods are given for investors to make decisions based on their preferences on risk appetite and trading duration.
3. What is the typical range of values for %B ?
%B values typically range from 0 to 100. The values can be greater than 100 or less than 0.
What is the significance of percentile values shown in banner B above?
The percentile value is shown for the investor to get a perspective of how often has the market been at that absolute %B level historically.
Why is the 5th percentile value for %B (10) at 2.4 and for %B (20) at -0.6?
Since %B measures the relative strength index of security, the range for a smaller timeframe (10) is going to be greater than the range for a larger timeframe (20).
What does the color scale in the chart represent?
The colors in the chart progressing from Red to Green represent Lower to Higher %B.
Read more about %B on public resources below: