The calculation formulas are different

The red and green columns are macd columns, also called macd histograms.

AO is the best momentum indicator for stocks and commodity futures markets. This indicator is simple and practical. It is calculated by subtracting the moving average of the midpoints of 34 price lines from the moving average of the midpoints of the five price lines. The histogram obtained through a series of results can accurately detect changes

The MACD indicator (English: Moving Average Convergence / Divergence), also known as the Moving Average Convergence and Divergence, is a common technical analysis tool in the stock trading center. It is used to judge the intensity, direction, energy and trend cycle of stock price changes in order to grasp the timing of buying and selling stocks.