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PostPosted: Thu Mar 25, 2010 7:15 pm 

Joined: Thu Sep 24, 2009 9:43 am
Posts: 5
Dear Sir,

My strategy setting is :

Market Provider : Rithmic (by custom develop through OQ plugin API)
Execution Provider : IB
bar size : 1 tick
Instrument : ES only (single)
Displaying bar chart running in LIVE mode

When the strategy (Live mode) running over 1 hour and ZOOM OUT the chart to showing more details, the CPU loading will be increased very fast (up to 50%), and then unexpect error would occurs from IB (e.g. order not found in cancel action) while the market moving very fast !!

Any suggestion to solve it if I want to displaying the chart in more details by ZOOM OUT many times ?


Uncle Pang

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PostPosted: Fri May 14, 2010 12:52 am 

Joined: Wed Mar 10, 2010 1:42 am
Posts: 63
While I agree that the charting aspect of OQ is a bit on the inefficient side, displaying an hours worth of bar-tick data from ES is a LOT of bars. For such fine grained charting, do you need to see all bars since market open? or is seeing X number of bars good enough? if so then limiting the # of bars stored by going to tools > options, and setting bars to 100-1000 might solve the problem?

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