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The question referred to a LIMIT order that didn't fill. Limit
orders are native to ECBOT, so the order would have been held at the exchange,
not at IB. Check the status of your order on the IB screen. If it's green, then
it has been accepted by the exchange and IB is no longer part of the
equation.
Now, stops
are another matter, as they're held on IB's servers, so timing does become an
issue here.
Andrew
Another thought is that IB is indeed 'parking' orders
that are not going to be directly executed to reduce communications traffic,
and the mechanism by which the system compares bid/ask to parked order for
submission is too slow...
Mark Simms wrote:
One idea: Could IB erroneously be storing the serverside orders using a LIFO
approach (Last in, first out) instead of the "correct" FIFO (first in, first
out).
If so, that's a BIG bug.
The other idea is possibly they are monitoring the stops in a time interval
approach versus every uptick or downtick.
-----Original Message-----
From: realtraders@xxxxxxxxxxxxxxx
[mailto:realtraders@xxxxxxxxxxxxxxx] On Behalf Of Don Ewers
Sent: Saturday, July 23, 2005 7:34 PM
To: realtraders@xxxxxxxxxxxxxxx
Subject: [RT] IB
Earl,
On my last exit on bonds Friday I had an order in to sell six
at 115-28 LMT.
The bid moved up to 115-28 (45 contracts) and the ask to
115-29 (200+ contracts). No fill. I waited 30 seconds then
cancelled my sell, re-entered it and was filled immediately.
This concerns me. I have seen this several times before also
and with some stop orders. It is like IB parked my order
somewhere and it was not hitting the exchange servers?
Anyone else experience anything like this?
Don Ewers
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