about downloading historical data from IB

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johnmok
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about downloading historical data from IB

Postby johnmok » 03 Nov 2011

hi all, when i try to download the historical data from ib, the download time is exceptionally long.

when i check the log in quote manager, it keep on showing

historical market data service error message: historical data request pacing violation.

if i restart the tws, sometimes it works again, but the fail rate is very high.

any suggestion for me? or maybe i've got some setting error?

thanks a lot.

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Re: about downloading historical data from IB

Postby sptrader » 03 Nov 2011

Unfortunately that is how IB handles excessive quote requests..."pacing error" means that you exceeded the allowed number of quotes. The ONLY solution is to re-start TWS.. (leave MC running)..
You can also request fewer days or higher time frame,(60 min vs 1 min data).
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Re: about downloading historical data from IB

Postby johnmok » 03 Nov 2011

thanks... sptrader.... ib's data solution is really no good then....

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Re: about downloading historical data from IB

Postby TJ » 03 Nov 2011

Bear in mind, IB is a broker, not a full service dataprovider.
IB provides quotes to facilitate its broker business, people use the quotes to make charts.
If you trade a handful of instrument, IB's quotes can fill the purpose.
If you need to look at a lot of historical charts, especially if you need intraday charts, IB will hang on you.

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Re: about downloading historical data from IB

Postby johnmok » 04 Nov 2011

i see, so, would e-signal be a good solution? any other good data provider with products in a competitive price?

and i find that e-signal on demand version also give intraday historical data, would that be a good choice for backtesting purpose?

thanks~!

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Re: about downloading historical data from IB

Postby sptrader » 04 Nov 2011

johnmok wrote:i see, so, would e-signal be a good solution? any other good data provider with products in a competitive price?

and i find that e-signal on demand version also give intraday historical data, would that be a good choice for backtesting purpose?

thanks~!

********************************************************
** I've heard good things about IQfeed, reasonable cost too.
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Re: about downloading historical data from IB

Postby johnmok » 04 Nov 2011

sptrader, thanks for your kind opinion!

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Re: about downloading historical data from IB

Postby JoshM » 05 Nov 2011

johnmok wrote:i see, so, would e-signal be a good solution? any other good data provider with products in a competitive price?

Also see this thread: Anybody use IQFeed.net? regarding a 30 day trail for MC users and the apparently VAT benefit for European customers.

Regards,
Josh
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