Fullerton, CA
Posts: 201 since Dec 2010
Thanks Given: 33
Thanks Received: 98
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The data series is irrelevant.
The question is who has accurate tick data for whatever instrument(s) you're interested in for the timeframe you want?
I don't have the answer; there seems to be much confusion and misinformation on this issue, but I can assure you the big players have all the accurate data they need, whether it be one or ten years cost notwithstanding.
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