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Brent		#1 Posted : Thursday, May 30, 2013 1:35:01 PM(UTC)
Rank: Member Groups: Registered, Registered Users Joined: 10/22/2007(UTC) Posts: 14		How can I vary the number of days the OBV() indicator is calculated on?
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haddison		#2 Posted : Friday, May 31, 2013 10:44:45 AM(UTC)
Rank: Advanced Member Groups: Registered, Registered Users, Subscribers Joined: 3/6/2010(UTC) Posts: 113 Location: London		The Metastock manual gives a way to calculate OBV (thought it might help you): ( If( C > Ref( C, -1), 1, If( C < Ref( C, -1 ), -1, 0 ) ) * VOLUME ) PREV Be careful though, PREV tends to be slow.
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Brent		#3 Posted : Friday, May 31, 2013 6:25:14 PM(UTC)
Rank: Member Groups: Registered, Registered Users Joined: 10/22/2007(UTC) Posts: 14		Thanks!
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wplaurence		#4 Posted : Monday, June 10, 2013 11:53:53 AM(UTC)
Rank: Newbie Groups: Registered, Registered Users, Subscribers Joined: 6/10/2013(UTC) Posts: 2		Hi, Is there a way to compare OBV from today versus a previous period ( one month, two month) in the system scan. I tried using OBV(C) > OBV(c-20) but that threw an error in the function.
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mstt		#5 Posted : Monday, June 10, 2013 1:42:42 PM(UTC)
Rank: Advanced Member Groups: Registered, Registered Users, Subscribers Joined: 7/25/2005(UTC) Posts: 1,042 Was thanked: 57 time(s) in 54 post(s)		Check out the Ref() function in the User Manual. The correct syntax is... OBV(C) > Ref(OBV(C),-20); Roy
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wplaurence		#6 Posted : Monday, June 10, 2013 2:44:21 PM(UTC)
Rank: Newbie Groups: Registered, Registered Users, Subscribers Joined: 6/10/2013(UTC) Posts: 2		Thanks, I think I had syntax error before.
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