多方趋势:=7*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*30,4,1)
-3*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*30,4,1),3,1)
-SMA(SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*30,4,1),3,1),2,1),COLOR8811FF;
突击套利线:=14;
抄底:=crOSS(多方趋势,突击套利线);
红箭头:抄底;