柱体跳空：(今open/昨max(open,close)-1)*100 (向上)
(今open/昨min(open,close)-1)*100 (向下)
影线跳空：(今open/昨high-1)*100 (向上)
(今open/昨low-1)*100 (向下)
不跳空：0
sp_s(pn_stock(),"SH000300");
sp_s(pn_date(),20230510t);
sp_s(pn_cycle(),cy_day());
typ := 0;
return StockGapOpenZF(typ); //-0.24677029