乖离率指标,偏离均线过大时容易回归,适合短线
BIAS1:(CLOSE-MA(CLOSE,6))/MA(CLOSE,6)*100; BIAS2:(CLOSE-MA(CLOSE,12))/MA(CLOSE,12)*100; BIAS3:(CLOSE-MA(CLOSE,24))/MA(CLOSE,24)*100; 超卖:BIAS1<-5 AND BIAS2<-7; 超买:BIAS1>5 AND BIAS2>7;