V0:=(CLOSE+HIGH+LOW)/3;
LC:=REF(CLOSE,1);
AA:=ABS(HIGH-LC); { A=当天最高价－前一天收盘价}
BB:=ABS(LOW-LC); {B=当天最低价－前一天收盘价}
CC:=ABS(HIGH-REF(LOW,1)); {C=当天最高价－前一天最低价}
DD:=ABS(LC-REF(OPEN,1)); {D=前一天收盘价－前一天开盘价}
EE:=(CLOSE-LC); { E＝当天收盘价－前一天收盘价 }
FF:=(CLOSE-OPEN); {F=当天收盘价－当天开盘价 }
GG:=(LC-REF(OPEN,1)); {G=前一天收盘价－前一天开盘价 E、F、G采用其±差值}
XX:=EE+FF/2+GG/4; { X＝E+1／2F+G }
KK:=MAX(MAX(AA,BB),MAX(BB,CC)); { K=比较A、B、C三数值，选出其中最大值 }
R:=IF(AA>BB AND AA>CC,AA+BB/2+DD/4,IF(BB>CC AND BB>AA,BB+AA/2+DD/4,CC+DD/4));
SI:=50*XX/R*KK/(LL/100)*(CLOSE/REF(CLOSE,1)); { SI＝50×X/R×K/L }
ASI:SUM(SI,0);
