AA:=4*SMA((CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100,5,1)-3*Sma(SMA((CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100,5,1),3.2,1); 红箭头:AA<10;