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I don't know how many different flavors there are for ADX, but I have
found many of the "standard" indicators have different definitions
depending on which book you read or site you visit.
Generally, if I decide I want a specific version, I code it myself.
Ed Hoopes
--- In amibroker@xxxxxxxxxxxxxxx, "itmwh" <toxutao@xxx> wrote:
>
> I previously used following codes for ADX in another charting software,
> but I found AB must have a different version of ADX
>
> Could someone tell me what is the difference ?
>
> Thanks
>
> Tom
> ------------------------------------------------------------------
>
> TR = SUM(MAX(MAX(HIGH-LOW,ABS(HIGH-REF(CLOSE,1))),ABS(LOW-REF
> (CLOSE,1))),P);
> HD = HIGH-REF(HIGH,1);
> LD = REF(LOW,1)-LOW;
> DMP= SUM(IF(HD>0 AND HD>LD,HD,0),P);
> DMM= SUM(IF(LD>0 AND LD>HD,LD,0),P);
> PDI=DMP*100/TR;
> MDI=DMM*100/TR;
> ADX= MA(ABS(MDI-PDI)/(MDI+PDI)*100,P);
>
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