I receive plenty of questions from BigTrends students about the difference between Bollinger Bands and Acceleration Bands. There was a time when I would only say “use Bollinger Bands on trading range markets and use Acceleration Bands on trending markets.” The fact that Bollinger Bands race to catch up more quickly when a stock breaks outside the bands led to my creation of Acceleration Bands, as I wanted a band that could act as a trailing stop for a big trend on the upside or the downside.