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SILVERWESOKE
Posted : Tuesday, March 25, 2014 11:15:27 AM
Gold Customer Gold Customer

Joined: 6/29/2005
Posts: 885

Symbol PPP

3-21  Vol spike on dailly chart says over 18 mil shares

Go to 60 min chart and add up the vol bars, its not even close to that, less than 5 mill

Which is right,? why the discrepency? This is a big deal to me. I have a strategy /sort in part based on daily volume .  If the daily volume is wrong, or unreliable, my system is unreliable.

Does this discrepency occur on a regular basis?

Thanks.

StockGuy
Posted : Tuesday, March 25, 2014 11:45:32 AM

Administration

Joined: 9/30/2004
Posts: 9,187

The daily volume for PPP on 3/21 is being reported everywhere as 18 million shares.  I agree that summing up the intraday volume (hourly) doesn't add up, but I'm finding the exact same thing from other sources.  Right now, I can't account for the discrepancy.

bcochrane
Posted : Wednesday, March 26, 2014 8:39:42 AM
Registered User
Joined: 9/17/2010
Posts: 484

It COULD be that the Day total includes trades not made during trading hours, and/or trades made by what Martha Stokes refers to as Dark Pools. These would not show in hourly totals during trading hours.

Note the Caps on "could".  Its a suggestion, not a defintitve answer

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