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Created page with "That is possible that during MultiCharts operation the Internet connection or the real-time data provider connection from your PC is lost. In such situation the missing data c..."
That is possible that during MultiCharts operation the Internet connection or the real-time data provider connection from your PC is lost. In such situation the missing data can be backfilled by MultiCharts:
*On [[Tick, Minute and Daily Data|tick based]] charts the gaps are backfilled at once after the connection is restored.
*On [[Tick, Minute and Daily Data|minute based]] charts the gaps are not backfilled at once. The gaps are backfilled on a next historical data request (copy/paste chart, close/open workspace).
'''“Backfilled at once” means that after physical connection recovery:'''
* Reconnection event is determined (corresponding message appears in QuoteManager Event Log);
* Missing data is requested from the data vendor;
* Missing bars appear on the chart;
* Realtime bars appear after backfilled bars;
* The studies are not recalculated, they are calculated regular way on the backfilled bars;
* The orders are generated and if the auto trading is enabled they are sent to broker.
'''Backfilling Availability.'''
Data vendors list (realtime only/historical only data vendors are not listed):
* AvaTrade - Available
* BarChart - Available
* CQG - Available
* MCFX - Available
* eSignal - Available
* IQFeed - Available
* Interactive Brokers – Available
* IWBank – Not Available *
* LMAX – Available
* MB Trading - Available
* OEC - Available
* Quik - Available
* Rithmic - Available
* TradeStation - Not Available *
* WeBank - Not Available *
* ZenFire - Available
'''*Not Available''' means that the data vendor provides historical data but does not provide ability to determine connection loss/reconnection event through its API. Such data vendors are being contacted for clarifications.
[[Category:FAQ]]]
*On [[Tick, Minute and Daily Data|tick based]] charts the gaps are backfilled at once after the connection is restored.
*On [[Tick, Minute and Daily Data|minute based]] charts the gaps are not backfilled at once. The gaps are backfilled on a next historical data request (copy/paste chart, close/open workspace).
'''“Backfilled at once” means that after physical connection recovery:'''
* Reconnection event is determined (corresponding message appears in QuoteManager Event Log);
* Missing data is requested from the data vendor;
* Missing bars appear on the chart;
* Realtime bars appear after backfilled bars;
* The studies are not recalculated, they are calculated regular way on the backfilled bars;
* The orders are generated and if the auto trading is enabled they are sent to broker.
'''Backfilling Availability.'''
Data vendors list (realtime only/historical only data vendors are not listed):
* AvaTrade - Available
* BarChart - Available
* CQG - Available
* MCFX - Available
* eSignal - Available
* IQFeed - Available
* Interactive Brokers – Available
* IWBank – Not Available *
* LMAX – Available
* MB Trading - Available
* OEC - Available
* Quik - Available
* Rithmic - Available
* TradeStation - Not Available *
* WeBank - Not Available *
* ZenFire - Available
'''*Not Available''' means that the data vendor provides historical data but does not provide ability to determine connection loss/reconnection event through its API. Such data vendors are being contacted for clarifications.
[[Category:FAQ]]]
