The standard MACD indicator is calculated by formulas: MACD = EMA(CLOSE, 12) - EMA(CLOSE, 26) SIGNAL = SMA(MACD, 9), where main line (MACD) is drawn on the exponential moving average (EMA), a signal line (SIGNAL) on the simple moving average (SMA...
from https://tradingrobots.net/macd-ma-price-indicator-for-metatrader-4/