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I trade a certain size. If after a certain specified time period I am losing money in that time period, then I cut my size in half. I keep on cutting (in half) as I have more losing time periods. If I start winning in one time period, I add to my size, but I add slower than I cut (for...

http://www.interactivebrokers.com/html/retailAccount/products.html According to this webpage, CME orders are simulated stops still. I've heard that IB was working on native stops for Globex - maybe this webpage just needs updating? Carl

S = shares of 1st entry P = price of 1st entry every 2Q points up you add another S shares Then the sequence for your average price after every add after the initial position is: P + Q P + 2Q P + 3Q P + 4Q P + 5Q . . . giving the sequence 12345 I know this can't be what you...

IB's stops are server held until they get triggered. The specialist will not see them. Carl

I used algebra: (3/64)x=y/t (5/64)x=(x+y)/t with these two equations you find that (2/3)y=x plugging back in to the first equation, t = 32 in the equations above, x = distance of entire trestle, y = distance of train to beginning of trestle, and t = miles per hour of train (the 8mph...

I'm a slow one - I needed a pad of paper and it took me more than 10 minutes. Don't think I could have thought of it in a car going to play golf in under 5 minutes. rs7, you must be brilliant. Sorry Publias - didn't mean to offend - your answer was good enough. I just wanted to see...

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You say this, but it has been my experience that other parties never willingly bust trades in the case you have a typo. To extend that courtesy to them when they won't for you would trully be noble, but foolhardy. I used to think like you, but after experiencing firsthand how unfair the...

I have had transactions busted days later, but always before settlement date. If settlement date (T+3) has come and past, then I would consider it legitimate. If settlement date has not come, then mentally I would be prepared for the trade to be busted but be pleasantly surprised if it was...

It is part of the food pyramid: http://www.healthyeatingclub.com/info/articles/food-guides/12345-pyr.htm Carl

You could try using IB's universal demo account. It allows you to simulate trading on NQ-ES on 15 minutes delayed data. Not sure if this is really what you are looking for, but I figure I would mention it. Carl

I had an e-mail exchange with Kenneth at CyberTrader and he claimed that I would have to do at least 250 round trips (500 trades) during every month in order to maintain access to the CyberTrader APIs. That would be at least 500 * $10 = $5,000 a month in commissions. Don't think I'm quite...

They are as fast as if you put the order in yourself. So they are just as fast, but not faster than manual orders. Carl

I have had good response times with IB via e-mail or chat, especially chat. On their home page, click on Contact IB, then click on General Chat. That should put you into some application where you can talk to somebody at IB. I have found the response time to be better than the phone. Carl

Since this thread has morphed into a CyberAPI thread - I'd just like to know - is there a limitation on the number of tickers I can track using the CyberAPI? In the Interactive Brokers API, they let you track quote data for 40 symbols. In the CyberAPI, can I track Level II data (and ECN book...

As of now, the ISLAND quote problem has been corrected. Carl

It is the morning of August 15th, and as far as I can tell, the size of all of IB's ISLAND quotes are multiplied by 100. So a bid of 1 share shows up as 100 shares on the Trader Workstation. An ask of 73 shares shows up as 7300 shares on the Trader Workstation. I have tried chatting with IB...

I have run several cases through IB of this ARCA problem happening. It appears that ARCA is trying to match "ghost quotes" (quotes that don't exist) on a different exchange by rerouting the order from ARCA. Since IB sends "passive" orders into ARCA (these orders cannot be rerouted), the order...

I have been having this problem for 4 weeks. ARCA was up and working for pre-market and post-market today and I had several orders that did not get filled during this time. It is not a question of being fast or not - it is a question of it actually giving me a fill. I rarely get filled...

About 4 weeks ago, I started experiencing very poor results with IB's routing mechanism. All of my problems involve the ARCA ECN. Lately I am lucky to get any fills from ARCA. For example, this evening I wanted to buy 100 shares of TXN at the price of $23.80. There was a 1,000 share offer of...