Seeing if I can collect any flames from all you ill-informed IB lovers out there! Re-posted from another forum where people had complained about their IB stop orders not getting executed; my opinion on IBs handling of futures stop orders: Why any futures trader uses IB is beyond me given the way they handle stop orders. Unless they've finally made the long-awaited change of sending stops native to Globex (judging by the comments it seems not) then in my opinion, it's a mess because your stop is only held on IB servers which means: - your order will only get sent to Globex as a market order when the stop price is triggered. In the best of cirucmstances (when it works) this means that your fill takes the lowest priority. All stops at the same price held directly on Globex will be filled before your order is. Orders held native on globex are timestamped and queued. Even if you sent your IB stop order four hours earlier, Globex doesn't even know about it until after the price is hit ...because only then does IB actually send it off. Bottom line? time lag in getting the order off (even if <1 second) and bottom of the pile priority, all mean increased risk of a tick slippage. At $12.50 ES, what good is your extra $1 commission saving? - Your stop relies on IBs own datafeed to trigger it and send it to Globex. A problem with their datafeed means your order can go unexecuted. My understanding is that it's not a true streaming datafeed but rather a snapshot every second or so. What if the snapshot misses your stop price? Or what if the feed goes down for 10 seconds around the time your stop would be triggered? Your stop goes unfilled that's what! Contrast this to the situation where your stop is held directly on Globex. It's been timestamped and received by the entity actually doing the execution. It will receive preferred filling. Your PC could blow up, your brokers servers could explode ...and nonetheless you are guaranteed to get executed. The worst that happens is that your brokers order software goes iffy (it happens to them all) and it says your order is still working. But if you KNOW your order was sent to Globex you have total peace of mind that the truth is you were executed and they just aren't showing it yet. You can relax that any software glitch has no material impact on you. Contrast that to IB where you are sitting there with a "working" order and wondering: "was I filled?", "is the system just slow?", "am I still in the market?". Who needs that hassle in their life? To me, it's such a basic fundamental to have your stop orders only rest on Globex servers ...trading with them on a brokers' servers or keeping them on your PC is just insanity. Pay an extra buck or two and use a J-Trader platform* that holds stops directly on Globex. IMHO the commission savings of IB just aren't worth the extra risk of $12.50 slippage, the extra risk of unexecuted orders, and the mental stress it puts on your ability to successfully trade, when problems do occur. There's enough stress in trading without worrying whether your orders are filled or not. *Not all versions of J-Trader can send stops directly to Globex (some versions only hold them on your PC), but stand alone version 188.8.131.52.D does offer this capability. For the record, I have no affiliation with any J-Trader broker. Flame away, but if anyone can explain why keeping stops on IB servers is not inferior and inherently riskier than the certainty of having them on Globex I'd love to hear it!