The OSMA (Oscillator of Moving Average) is a trading indicator used in Forex and other markets to identify potential trend reversals and momentum changes. It is calculated by subtracting the smoothed moving average (usually a signal line) from the regular moving average, providing traders with signals through oscillation above and below zero. Positive values typically indicate bullish momentum, while negative values suggest bearish conditions. Traders often employ OSMA in conjunction with other indicators or analysis methods to confirm trading signals and enhance decision-making.