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Strategies & Market Trends : Systems, Strategies and Resources for Trading Futures -- Ignore unavailable to you. Want to Upgrade?

To: OX who wrote (41551)	11/28/2000 8:42:33 AM
From: Patrick Slevin	Read Replies (2) \| Respond to of 44573

I forget, really. I think they do a computer "clean-up" of some sort. Backing up systems and such. It happens every night. So I have my machines go into a maintenance mode myself at 10:10 CST. Tradestation, for example, likes to do a nightly maintenance in order to keep everything hunky-dory because it is designed to run 24/7. I guess a way around it would be to place the order GTC. I think IB is unusual, because if I had a day order in Monday night that was not filled I would still see it Tuesday morning. It does not get CXLed.

To: OX who wrote (41551)	11/28/2000 9:33:31 AM
From: Louis V. Lambrecht	Read Replies (1) \| Respond to of 44573

OX - trading hours + options symbols. If memory serves, CME had a one hour system maintenance window of 1 hour around midnight. As you noticed, no mention of this anymore on the site. Looking at the charts, they do not stop trading every day. And this also can be a data outage as the feed API is known to be somewhat unstable. That IB cancelled the Globex orders is mentionned somewher in their fineprint. Options symbols: answer from QCharts: "Has been asked to be included in a coming update." Did you looked through: cme.com Least you can say is that options on futures are illiquid.