Navigation: Realtest Script Language > Syntax Element Details > BBBotF Category Multi-Bar Functions Description Bollinger band bottom as a function Syntax BBBotF(expr, len, mult) Parameters expr - data series formula len - lookback period mult - number of standard deviations Notes The BBBot indicator always uses the series of closing prices for its calculations. This function makes it possible to calculate the Bollinger band bottom of any series of values. This function supports one-pass calculation when used in the Data Section with a non-variable count. Copyright © 2020-2025 Systematic Solutions, LLC