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It is about as they said. I rarely ever see a bad tick.
Bob Fulks
At 01:26 PM 11/5/2004, Michael Tepper wrote:
>Can someone comment about the quality of intra-day historical stock data that TradeStation now provides.
>
>I wrote to TradeStation and asked them about the quality.
>I also asked how difficult is it to test a strategy on, say,
>the whole NASDAQ list using 5 minute periodicity.
>
>They responded:
>
>"
>Yes, we offer 13+ years of intra day stock data.
>You can view this in 1 minute increments and higher. We carry
>history on all US stocks.
>
>People rave over the quality of our data. First off, our data is not
>purchased from a vendor. We are connected directly to all of the
>exchanges so the data is very accurate. We also have a dedicated data
>integrity department which filters or scrubs historical data checking it for bad ticks.
>"
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