BOLL一般的写法
N=20 BOLL:MA(CLOSE,N); UPPER:BOLL+2*STD(CLOSE,N); LOWER:BOLL-2*STD(CLOSE,N); 我照他的意思 (1)%BB=(close-lower band)÷(upper band-lower band) (2)Band width=(upper band-lower band)÷average(n) 写一个通达信的公式 BOLL辅助(附图公式) {N=20} BOLL:=MA(CLOSE,N); UPPER:=BOLL+2*STD(CLOSE,N); LOWER:=BOLL-2*STD(CLOSE,N); %BB:(c-LOWER)/(UPPER-LOWER); Bandwidth:(UPPER-LOWER)/BOLL; |
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