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negative volume and wrong bid/ask/close


gidielle
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charts are made to handle the negative values, so that doesnt mean anything and the quotes ARE the issue - there is no other possible issue.  If you run just IB and just the NQ symbol, you can set logging level to 200, start quotes, then once you see the issue occur, send me the logs.  Do this after 4:00 and only in that situation - not with large # of symbols

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Another possibility is if the chart subscribed to Yahoo for the data and then the portfolio started with IB, so the quotes would be coming from both. You can see how many symbols are subscribed to Yahoo on the dashboard.  Compare it to what you are expecting. Let me know if that is the situation

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