Opening Volume

premarket analysis of the volume as it is reported (and this applies more so to the Nasdaq stocks) is the only dynamic (real time) information available.

trying to rely, find, or invent a predictor of anticipated volume only takes one more step down the plank of good intentions, only to find that you're so over the line, that you're actually on the other pair of railroad tracks, and the market's opening (meaning that the opposing train is going to upset your day).

perhaps having a charting package (use your existing one, don't acquire another one) that shows premarket/postmarket activity, might yield what you're looking for.

Cheers
 
JJ,

Thanks for posting your results regarding the volume study.
How large a set of stocks was looked at?

My only other thought for further study is if there is a
correlation of (price move in first 1/2 hour) / (first 1/2 hour volume)
to the stock price landing up/down for the day. Also taking
in mind the direction of the price move.

Large price moves made on low volume at the beginning of
the day would indicate that a max movement in that direction
can be gained with a minimum amount of (wind) ... good
acceleration. Unless the price whipsaws back and goes in the
other direction when this happens instead of following the
early trend....

- Greg
 
Greg: I'm using the 500 issues that make up the sp500. As I only have a couple weeks of data I'm waiting to collect more data before doing any major profitability study. Price change vs 1/2 Hr volume would be an easy look when I get to that point.
JJ
 
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