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Open Bug report MC-2019

Backfill data from IB in larger gulps

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When backfilling minute bars for a symbol from Interactive Brokers, Multicharts requests one day at a time. This rapidly runs into a pacing violation from Interactive Brokers, as they have strict rate limits on how often you can request data from a single symbol.
There's no reason to be hitting these rate limits. IB's API lets you download more than a single day's worth of data at once. In other programs I've backfilled an entire half-year of minute bars in a single connection. If Multicharts would take bigger gulps of data per request, it would never hit a pacing violation in these circumstances.

Steps to reproduce this issue

Load a one-minute chart that stretches back one year for a new symbol for Interactive Brokers.

Comments (1)
user-offline.png  MultiCharts Support (MultiCharts)
Jun 06, 2017 - 16:06
We have made all currently possible IB data feed improvements, however, due to IB API limitations and specifics, you will still run into pacing violation when a lot of historical data is requested.
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