LRR:IF(FORCAST(C,5)>(REF(FORCAST(C,5),1)),1,IF(FORCAST(C,5)<(REF(FORCAST(C,5),1)),-1,0));
DRAWTEXT(LRR=1,1,'始');
DRAWTEXT(LRR=-1,-1,'终');
LRR:IF(FORCAST(C,5)>(REF(FORCAST(C,5),1)),1,IF(FORCAST(C,5)<(REF(FORCAST(C,5),1)),-1,0));
DRAWTEXT(LRR=1,1,'始');
DRAWTEXT(LRR=-1,-1,'终');