2021-10-11 07:00发布 生成海报
AVPRICE:=(2*OPEN+2*CLOSE+2*HIGH+2*LOW)/8;
INDEXAVP:=(2*INDEXH+2*INDEXL+2*INDEXO+2*INDEXC)/8;
F:=(AVPRICE - REF(AVPRICE,1))/REF(AVPRICE,1);