Navigation: Realtest Script Language > Syntax Element Details > MACDH Category Indicator Functions Description MACD Histogram Syntax MACDH(len1, len2, len3) Parameters len1 - faster moving average period (typically 12) len2 - slower moving average period (typically 26) len3 - signal smoothing period (typically 9) Notes MACDH is the difference between MACD and its signal line. It is calculated as MACD(len1,len2) - MACDS(len1, len2, len3). This indicator supports one-pass calculation when used in the Data Section with non-variable lengths. Copyright © 2020-2025 Systematic Solutions, LLC