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Dan;
I have had the same question for quite a while, but never put it into works.
This is an excellent question. One that I hope someone can answer.
DW Holtman
DPoiree wrote:
> I'm exasperated!
>
> In my quest for ACCURATE end of day data for NYSE advancing issues, declining
> issues, new highs new lows, S&P 500, and the Dow, I now subscribe to three
> data vendors,(Traders Access, Dial Data, Quotes Plus), and I check the NYSE
> web site for data.
>
> Imagine this, none of the four seem to agree on the numbers, (at least not
> the adv, dec, NH, NL)!
>
> I'll spare you all the needless details. My questions are:
>
> 1) How does one get accurate data?
>
> 2) How does one know that the data is correct?
>
> 3) Can anyone explain why there are so many "opinions" of what the numbers
> are?
> How do the data vendors come up with these bogus numbers that are supposed to
> be "the most accurate in the industry"? Random number generators? If they are
> all supposed to report the same number, why aren't they the same? How does it
> get messed up?
>
> Thanks for any insight.
>
> Dan Poiree
> Bellingham WA
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