Indicator Description

DMA (Difference of Moving Average) is a trend indicator that reflects price trend changes by calculating the difference between two moving averages of different periods.

Function Information

• Function Name: DMA
• Input Parameters: Open
• Parameter Settings: timeperiod1 (default: 13), timeperiod2 (default: 55)
• Output: ddd, ama

Calculation Principle

DMA is calculated using the following formula:

DDD = MA(Close, timeperiod1) - MA(Close, timeperiod2)
AMA = MA(DDD, 5)

Where MA is the moving average.

Usage Scenarios

1. Trend direction judgment
2. Trend strength analysis
3. Trend reversal identification
4. Trading signal generation

Usage Recommendations

1. DMA turning from negative to positive can be seen as a buy signal
2. DMA turning from positive to negative can be seen as a sell signal
3. Use in combination with other trend indicators
4. Pay attention to the impact of parameter settings