Buy - MACD is trending upwards
Sell - MACD is trending downwards
Parameters available:
t - the number of periods that MACD has been trending
Slope - the minimum slope of the moving average of MACD when it is trending
Short Period - the number of periods used for the period of the short-term moving average in the MACD calculation
Long Period - the number of periods used for the period of the long-term moving average in the MACD calculation
Signal Period - the number of periods used for EMA calculation of MACD which constitutes the signal line
MA Period - the number of periods used for the period of the moving average of MACD
Rule type - please refer to 140 for details
Data type - please refer to 141 for details