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Flags/Pennants

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IT-Trader View Drop Down
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Joined: 10 Nov 2005
Posts: 23
Post Options Post Options   Quote IT-Trader Quote  Post ReplyReply Direct Link To This Post Topic: Flags/Pennants
    Posted: 07 Mar 2008 at 2:11am
Unfortunately OBV assumes if today's close was lower than yesterday's then the volume was selling and vice versa.  That alone is too crude a measure.

Price is moved by the eagerness of those two parties rather than simply 'more sellers or buyers'. Of course ones eagerness can be affected by weight of numbers but many other factors can affect eagerness too.  Its a subtle but important distinction.  We make money by working out which side is most eager and joining them.  Reading the bar, not just the close, is one step in that process.

In addition, large volume on an up day doesn't in itself mean professionals getting into the market, it could also be professionals exiting the market or 'frenzied public activity' or both.  Its all about context, understand how the professional works and you can see his footprints and read their intentions.

I'm not suggesting OBV is useless, just that it is no substitute to understanding the relationship between price action and volume in deciding what the 'professionals' are doing.


ITT.



Edited by IT-Trader
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maximo View Drop Down
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Joined: 02 Sep 2006
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Post Options Post Options   Quote maximo Quote  Post ReplyReply Direct Link To This Post Posted: 04 Mar 2008 at 1:25am

Not aware of any built in ones that do this however.. Flags and Pennants are formed from a large price spike and I made an indicator which would pick them up from the earliest stage of formation ie. the pole for these patterns. 

Scan parameter >1.25

(C/100)/ma(C/100,21,S);

Formula can also be used to detect volume spikes for professional buying or selling.  Selling is confirmed by the direction of the OBV being down. Buying is confirmed from the direction of OBV being up.

Scan parameter >3.0

(V/100)/ma(V/100,21,S);

 

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thegrid View Drop Down
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Joined: 10 Feb 2008
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Post Options Post Options   Quote thegrid Quote  Post ReplyReply Direct Link To This Post Posted: 22 Feb 2008 at 9:56am
An example flag or pennant in the last couple of days is NDO.

Is there a scan that catches this?
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