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Well I was thinking in relation to dealing with events out of your control. Ok, tenuous at best. I couldn't help thinking about Jack Hershey and The Mentaculus. At the end of the movie, I felt like the perspective shift made me think about risk differently. It just felt significant.

As a regular in Bob's chat room, I think it was always about having a good group of folks exchanging ideas. I don't think Bob is after admiration - if anything I think his journal and chat room are probably to help with keeping track and not trading in a vacuum. I believe that a chat room of...

Speaking from my experience losing money: you may be tempted to think that you can just ramp up how serious you are in response to losses. It doesn't work that way. I think it's better if you take a reality check and realize how important the $2k+ you've lost is.

Did anyone who saw A Serious Man see any parallels to Trading Psychology? Great movie btw.

Whoa, what's the deal with mining truck drivers?.

Here's an earlier thread that might have some ideas. http://www.elitetrader.com/vb/showthread.php?s=&threadid=149402

I think that was me. My point is that, when it's an EPE (elephant poop event), it is usually one stock/opportunity. I think a max loss per signal is a good idea, and a max loss per day isn't necessarily a bad idea.

heh heh good one!

I think tradelink fills a good niche but can't be a 100% solution for a non-programmer to develop a strategy in their own lab. As a programmer, I like being able to see the whole of the code and make tweaks as needed. As anyone working on systems knows, there is a lot of changing/testing of...

I think you're right that there are other angles. But the basic academic approach comes down to inventory management and modeling how the tape influences fair prices. If a market maker is bidding and offering constantly, they will begin to build a larger position long or short depending on...

You'd still have funds/portfolio managers and the public adjusting their positions periodically. If you are trading intraday a lot using market orders, it's a big hurdle that likely wouldn't be overcome. I think the GETCO's and Tradebot's of the world would just be changing a few lines of...

Anyone who trades w/ Echo and runs high frequency strategies through Sterling, I'd like to correspond about some of the ins and outs, where to colocate, etc. Feel free to PM me if you want to compare notes.

Well, I think the guy who said to get an MBA/CFA while doing it is right. At least, find some way that you will be making life progress regardless of the P/L swings.

I think a max-loss could help but it also might significantly limit the opportunities taken. I think Robert trades solely on a set of signals he has developed - so it might make sense to set a threshold in terms of P/L or perhaps timeframe, which may be different for different signals, beyond...

Mikasa I think this is a misunderstanding about what Win 7 memory usage means. Look into "superfetch". http://www.osnews.com/story/21471/SuperFetch_How_it_Works_Myths Don't think of it as Win 7 is wasting memory, it's putting useful stuff there so you can get it faster. When other programs...

Let's say I'm routing orders to ARCA and I want to quickly (automatically) cancel/submit orders. I'm using Sterling and the clearing is done by PAX in Chicago. Does my order get matched in Chicago or is there a central ARCA server in NYC or NJ that orders are going to? If the latter, how...

TradeLink is open-source and fairly flexible: http://code.google.com/p/tradelink/

Hey Tokyo, I am trying to figure out some of the standard MM algorithms. There are a few academic papers on Google Scholar and I've started reading Empirical Market Microstructure by Hasbrouck. I realize what's done in practice is likely much more advanced - but I want to understand the...

I'm not to the point where I want to engage a place like Genesis to talk price - but if someone could PM me a ballpark estimates for their colo service I'd appreciate it. I read somewhere that a bare rack near ECNs is about $3500/mo. So, thinking naively, you could fit a bunch of boxes(40?)...

You can also use TradeLink and build barlists, use indicators, etc. http://code.google.com/p/tradelink/