EE:=SMA((CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100,3,1); FF:=Sma((CLOSE-LLV(LOW,10))/(HHV(HIGH,10)-LLV(LOW,10))*100,3,1); 短线趋势:=SMA((FF-50)*2,3,1)+SMA((EE-50)*2,3,1)/1; 趋势上拐:=短线趋势>REF(短线趋势,1); 红箭头:趋势上拐 AND REF(NOT(趋势上拐),1);