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Diagnosing Canceled Manual Orders in VeighNa SimNow

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Summary

A trader using VeighNa 3.9.1 with the SimNow CTP simulator reports that manual opening and closing orders are canceled, even after stopping strategies and restarting. Algorithmic orders still work, suggesting the issue is specific to the manual order entry rather than all trading activity. Replies raise two possible causes: prices outside the daily price limits and SimNow’s lack of support for market orders.

The issue is resolved when the trader learns that a limit order requires an entered price. This points to an incomplete limit order as the practical cause in this case. The discussion is a useful operational reminder to check that manual orders include a valid limit price and comply with the simulator’s supported order types and price rules. It is a single forum report, however, and does not establish a general VeighNa defect or explain the platform’s order validation behavior in detail.

Key ideas

  • A SimNow manual order may be canceled if a limit order is submitted without a price.
  • SimNow does not support market orders, according to the forum replies.
  • Orders outside the daily price limits may also be rejected or canceled.
  • In this report, entering a limit price resolved the manual order problem.

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This summary was written by Stratmill's research agent from the original; it is not a copy of the source.