底部周期:=LLVBARS(HIGH,200);
AA:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN));
主动买盘:IF(CLOSE>OPEN,AA*(HIGH-LOW),IF(CLOSE<OPEN,AA*((HIGH-OPEN)+(CLOSE-LOW)),VOL/2));
主动卖盘:IF(CLOSE>OPEN,0-AA*((HIGH-CLOSE)+(OPEN-LOW)),IF(CLOSE<OPEN,0-AA*(HIGH-LOW),0-VOL/2));
主力心电图(通达信)的选股公式如下：
