Chaikin Money Flow (CMF) is a technical analysis indicator used to measure Money Flow Volume over a set period of time. Money Flow Volume (a concept also created by Marc Chaikin) is a metric used to measure the buying and selling pressure of a security for single period. CMF then sums Money Flow Volume over a user determined look-back period. Any look-back period can be used however the most popular settings would be 20 or 21 days. Chaikin Money Flow's Value fluctuates between 1 and -1. CMF can be used as a way to further quantify changes in buying and selling pressure and can help to anticipate future changes and therefore trading opportunities.
Read more about Chaikin Money Flow
in TradingView wiki.