Bollinger Bands
SMA with upper and lower bands at a specified number of standard deviations.
Bollinger Bands
Definition
SMA with upper and lower bands at a specified number of standard deviations.
Parameters
Asset, Period (default: 20), Standard deviations (default: 2)
Output range: Same scale as price
Example
`Price < Bollinger Lower Band(AAPL, 20, 2)` (Price below lower band — potentially oversold)
Full indicator reference