Recent content by prptradr

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    Need(1 min/5min) historical data of all the stocks traded on Nasdaq

    I took your advice and downloaded the sample (YHOO/1 min). The intradata.co data is not from the exchange. It is from a single ECN (possibly BATS) and thus does not have a complete trade history. It is more of a snapshot of activity. You can confirm this by doing a time/volume check.
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