可以跨周期取另一个合约数据,计算OBV,加载到当前合约副图,例如取豆粕指数:
CC:="1200$C";//1200为被引用合约文华码
VV:="1200$V";
SUM(IFELSE(CC>REF(CC,1),VV,IFELSE(CC<REF(CC,1),-VV,0)),0);//被引用合约OBV
SUM(IFELSE(CLOSE>REF(CLOSE,1),VOL,IFELSE(CLOSE<REF(CLOSE,1),-VOL,0)),0);//当前合约OBV
CC:="6880$C";//1200为被引用合约文华码
VV:="6880$V";
SUM(IFELSE(CC>REF(CC,1),VV,IFELSE(CC<REF(CC,1),-VV,0)),0);//被引用合约OBV
SUM(IFELSE(CLOSE>REF(CLOSE,1),VOL,IFELSE(CLOSE<REF(CLOSE,1),-VOL,0)),0);//当前合约OBV