

Bollinger bands charts allow the comparison of volatility and relative price levels over a specified time period. Bollinger bands consist of three lines that are plotted to represent fluctuations within the prices.
The chart can be manipulated by changing the following:
Performance Period
Choose the period you want to analyse, you can choose 1 month, 3 months, 6 months or 1 year.
Item to Analyse
Select the item you want to analyse from your active list.
Bollinger Width
The number of standard deviations that the upper and lower limits are set to.