{大盘个股强弱}
aa:c,linethick0; bb:ref(c,1),linethick0; cc:INDEXC,linethick0; dd:REF(INDEXC,1),linethick0;
个股:(C-REF(C,1))/REF(C,1)*100,linethick0; 大盘:(INDEXC-REF(INDEXC,1))/REF(INDEXC,1)*100,linethick0; 强度:个股-大盘; 五天累积:=sum(强度,5);