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DS,
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From looking through relevant posts, and doing some experimenting, I can see only two ways to "pause" a limit order via the TWS API:
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- cancel the order, the submit it again to "resume" the order, or
- modify the limit price to prevent the order from filling, then modify it again to "resume" the order.
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It looks like the only parameters of a standing limit order that can be changed may be the quantity, the price, and the time in force.
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In particular, modifying or removing a time condition (whether attached to the order when created, or added later) doesn't seem to be supported. ?Nor does modifying or removing a goodAfterTime.
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At least, this is the best explanation given what I've read and the results of things I've tried. ?I'd be happy to find out this is not the case.
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-Neal
