MACD (Moving Average Convergence Divergence) is a powerful refinement of the two moving averages system, providing reliable signals of trend changes.

The MACD Histogram (Moving Average Convergence Divergence Histogram) provides far earlier and more responsive signals than the original MACD, but is also more volatile.

The MACD Histogram (Moving Average Convergence Divergence Histogram) provides a highly responsive measure of market direction but is more suited to traders than investors.