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Building a Graphically Configurable MACD Indicator in MQL5

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Summary

This tutorial combines several MACD display variants in one MQL5 indicator: MACD and signal lines, an OsMA histogram, two-color rising and falling bars, and Elder-style impulse coloring. It explains obtaining MACD buffers, deriving the histogram by subtracting the signal line from the MACD line, and aligning buffer indexing before plotting. The tutorial then adds chart buttons that let users show or hide plots and switch the histogram's coloring logic.

The article is primarily a programming guide for customizing indicator presentation, rather than a trading strategy or test of predictive value. Its examples illustrate how histogram direction can be combined with changes in the MACD line or an exponential moving average to assign colors. It provides implementation details and example figures, but no evidence that these display modes improve returns or trading decisions.

Key ideas

  • The MACD line and signal line can be retrieved from an indicator handle and stored in buffers.
  • The OsMA histogram is calculated as the MACD line minus the signal line.
  • Buffer indexing must be aligned so copied indicator data and plotted data correspond correctly.
  • Chart buttons can control whether MACD lines and histogram plots are visible.
  • Histogram colors can reflect its direction alongside changes in the MACD line or an exponential moving average.

Tags

Technical indicatorsMomentum

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.