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I think the 1388-1390 area is too obvious of a resistance, and too many people have stops in there. If it were that easy to trade the markets as to sell short at 1390, we'd all be happy. But somebody's got to lose, and I think it'll be the "resistance" folks. We may bounce off 1388-1390 again...

JSystemTrader version 3.9 is now available. A significant addition in this release is the ability to test the coded strategies against the historical data. JSystemTrader Discussion (in Interactive Brokers forum)...

JSystemTrader is now in version 3.8 with a lot of improvements. See http://www.interactivebrokers.com/cgi-bin/discus/board-auth.pl?lm=1162427348&file=/2/37888.html for details.

A few more releases of JSystemTrader have been made. It's now in version 3.4. Download from: http://www.myjavaserver.com/~nonlinear/JSystemTrader/JSystemTrader.html. As a reminder, JSystemTrader is open source framework for Java developers for implementing automated trading systems using IB's...

Link to JSystemTrader discussion on IB's board http://www.interactivebrokers.com/cgi-bin/discus/board-auth.pl?lm=1160699021&file=/2/37888.html (the previously posted link is broken)

JSystemTrader version 3.1 is now available for downloading. You may also be interested in participating in the JSystemTrader Discussion on the IB's discussion board. List of changes in this release: Strategy Performance Charts that show prices, indicators, and executions Virtual TWS...

Only market orders are supported at this point. The support for limit, stop, and trailing orders would require a great deal of complications into JSystemTrader's order management. I'm running on Windows XP, but since JSystemTrader is a Java app, it should run on other platforms, too. I have...

I am not trading today, that's why the volume is low.

Elit, you understand it correctly. JSystemTrader is a pure Java implementation of the ATS. It gives you the framework with the essential services (such as obtaining the quotes, placing orders, tracking executions, logging, etc), and the infrastructure to define trading strategies in your own...

The user implements his strategy in a new class that extends the base Strategy class. No other changes to the system are required. I've included a few sample strategy implementations in the package.

Well, let there be a battle between the two free platforms! :)

If you are developing your own Java app based on Interactive Brokers' API, you may be interested in JSystemTrader, which is an open source framework for developing the automated trading system. JSystemTrader is a fully automated system that can trade various types of market securities during...

That would not work. If you hit a series of 100 heads in a row, the probability of the next toss resulting in heads is still 50/50. And so is the probability on the next toss. And the next one. The coin has no memory, and it doesn't know that it got "too high" in a series of heads, or "too low"...

The original question of this thread is not whether the markets are random or not, but whether there would be any profitable trading strategies in the totally random market. The answer to that question is no. No matter what strategy you employ in the "flip a coin" game, you can't win...

That weekly outflow of $938 million out of stock funds represents less than half of 1 percent of the dollar weekly volume of NYSE and NASDAQ, which is about $350 billion. All that can be said about it is that some "street" money left the equity funds, and around 200 times that amount was traded...

So, you are looking to make 25% return every week? You may want to know that Warren Buffet is struggling to make that much in a year.

The market action over the last few weeks made me think of the bears urinating and defecating in a sacred place which is guarded by the bulls, who step in each time to clean up the mess. But as it gets cleaned up, more bears come in (they especially enjoy pissing in clean places) and spill more...

It's actually even more complicated. Even if you correctly predicted a) the news, b) the market reaction to news, you would still probably be stopped out of the short position on the initial spike up that happened today before the big move down.

If there is a pause, the market will go up slightly (since the pause is mostly expected). If there is a hike, there will be a big sell off. Therefore, the odds favor a short position with a tight stop. With that position, I figure, I risk 3 S&P points (the size of my stop) for a potential move...

Yeah, it does look strange: