this is a technical indicator used in forex and other markets to measure the flow of money into or out of a currency pair over a specified period.it combine price and volume to asses market strength and potential reversals CMF is calculated by averaging the Accumulation/distribution line (A/D) over a given period, typically 21, days. it gauses wether buyers or sellers are selling pressure, hinting at potential down ward movement. CMF value range from-1tob+1: .Above 0 signals bullish sentiment . Below 0 signals bearish sentiment. . crossing zero can indicate a shift in trend. trader's ofter use CMF in conjunction with other indicators to confirm trends or potential reversals.