Accumulation Distribution Indicator

[Apprentice]

Choose one of the three methods
1.Classical
AD= (((Close - Low ) - (High - Close )) / (High - Low )) * Volume ;

2.Classical Incremental
AD= AD[-1] + (((Close - Low ) - (High - Close )) / (High - Low )) * Volume ;

3. Trade Station Incremental
AD = AD[-1] -((Close - Open) / (High - Low)) * Volume

AD.mq4

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[Robertbob]

DEAR SIR !

What is actually the AD[-1] calculation in front of Classical Incremental and Trade Station AD modes ? Thanks a lot once again ! POZDRAV

[Apprentice]

AD[-1] Stands for previous period AD.
Basically AD is then cumulative.
Adds the current period AD value to previous period cumulative AD.