trader_macd Moving Average Convergence/Divergence &reftitle.description; arraytrader_macd arrayreal integerfastPeriod integerslowPeriod integersignalPeriod &reftitle.parameters; real &trader.arg.array.of.real; fastPeriod &trader.arg.fast.period; slowPeriod &trader.arg.slow.period; signalPeriod &trader.arg.signal.period; &reftitle.returnvalues; Returns an array with calculated data or false on failure.