取昨日的最高价，最低低，收盘价公式源码

	NN:=BARSLAST(DATE<>REF(DATE,1) )+1; YESTH:VALUEWHEN(DATE<>REF(DATE,1),HHV(HIGH,43+1)),COLORRED; DRAWNUMBER(C>0,VALUEWHEN(ISLASTBAR,YESTH),VALUEWHEN(ISLASTBAR,YESTH),0,COLORRED); YESTL:VALUEWHEN(DATE<>REF(DATE,1),LLV(LOW,43+1)),COLORGREEN; DRAWNUMBER(C>0,VALUEWHEN(ISLASTBAR,YESTL),VALUEWHEN(ISLASTBAR,YESTL),0,COLORGREEN); YESTC:VALUEWHEN(DATE<>REF(DATE,1),REF(CLOSE,1)),COLORMAGENTA; DRAWNUMBER(C>0,VALUEWHEN(ISLASTBAR,YESTC),VALUEWHEN(ISLASTBAR,YESTC),0,COLORMAGENTA);