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Configure -> API -> Enable ActiveX and Socket Clients Also check the TWS client port number is the same as Button Trader port number for TWS.

Actually, I've seen this type of thing happen (rarely) for a couple of years and never over the last few months (until now). Yes, it is speculating to say it's the TCP connection management. It may be higher up the food chain. Perhaps the application association in OSI jargon. Or something else.

I have for a long time (much longer than 3 months) had a gut feeling that there is some issue with the TCP connection management in TWS. It's probably only significant when there are server side issues or really poor internet QOS. In reality TCP is probably not the best protocol for this type of...

DAX just disappeared. Shutdown TWS and restarted and it's now back up.

There's been an ongoing project for quite some time doing neural net forecasts. Might be worth having a look at www.moneybee.net

I have also had quite a lot of problems today which is quite unusual as it's been very reliable for months.

Never tried the samples, and wouldn't touch ActiveX with a barge pole, but with Java, I found that if you don't fill in the fields in the Contract object properly (ie leave some null), you will get exceptions. This Java code fragment seems to be sufficient and work for stocks and futures in US...

You need at BUY STOP order at 100.

I think you're well off base here. Management of poor TCP connections is handled by the TCP/IP protocol stack in the operating system. An application program such as TWS written in Java, C or anything else has very little control over this. Really all the application has to do is make new...

I'm not really sure what you want to know. If you're seeking to create something like IB's book trader, I can give you a few pointers (no pun intended) to doing it in Java.

Very good illustration of the problems with software patents and why they are a very bad thing http://webshop.ffii.org/

www.ta-lib.org Basically C/C++ but it says there are Excel add ins.

If you have a few spare minutes, go to http://uptime.netcraft.com/up/graph?site=www.amazon.com and type in the URLs of some well known sites to see how Linux is coming to dominate the web server market including very big sites. eg amazon, nyse, google, news.bbc.co.uk, cbsnews.com...

There is a lot of speculation here as to what might or might not be the cause of outages of IB service. Most of the time, I doubt that it's got much to do with TWS itself - charts or otherwise or with backfill. Probably server side software/hardware faults, operational errors, datacom issues...

No. By definition a caching proxy of some type cannot be useful for real time data.

Could some informed person comment of the virtues of DVI as compared to VGA ? In front of me I have two identical Polyview 19" 1280x1024 flat panels. One is connected by DVI to one port of a Matrox G200 quad card. The other is connected by VGA to an Nvidia PCI MX4000 card. I can see...

Yes, it would be good to get a definitve answer from IB. I'm not connected to the Hong Kong server and the HSI feed has no volume ticks either on TWS or through the API. SPI is the same. Seems a bit daft if you need to be connected to the HK server to get volume but in other respects the HSI...

Unless things have recently changed, on the HSI, SPI (SNFE), SGXNK and maybe others, TWS does not provide volume. It provides only last size. In other markets, charting software should calculate bar volume from the cululative volume, but in these markets, software needs to calculate bar volume...

Also no problem.

There is some real nonsense on this thread ab out Java