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finding the software, programming etc is the easy part. Developing a set of rules that generate profits (the "trading system", i.e. when the program buys and sells) is the hardest part. A possible sequence is: 1. You have an idea how to make money trading--something that has not been...

A bot is trading robot, i.e. a computer program that automatically generates buy and sell signals and sends them to your broker for execution. The bot typically requires a data feed with quotes and is programmed with an algorithm that determines when, what and how much to buy and sell.

alex, I document my C2 experiences (as a subscriber) on my blog. I don't know if it's helpful to you as I only trade stocks. It is not surprising that you will find some very nice looking equity curves, because if you look at hundreds of curves at the same time, some of them will look good...

can you give us a summary of his argument?

software packages can have various purposes and many packages combine certain features. It might be helpful to distinguish the following functions: - software that lets you enter orders in your brokerage account - software that allows you to visually inspect price and volume data (charting...

I think it can be very profitable for a trader to sell his signal if he can jump in and out the trade before his subscribers.

It seems 138% is just for the most recent trade; Isn't the cumulative for 2007 reported as 971% (upper right cell).

Before understanding the bell curve, you first need to understand what a distribution is. If you would take a bet on the direction of the market each day for a few months and write down your P/L at the end of each day, you could lump these P/L numbers into bins: bin A: number of times P/L falls...

I document my experiences on my blog. Part of it is about auto trading, part of it is about manually trading signals from vendors available through Collective2. I've been posting some analysis on those systems as well. If you're interested in documenting your own experiences through...

you should ask this question on the Wilmott forum, that's where a lot of quants are hanging out. Perhaps reading this is helpful too: http://www.markjoshi.com/downloads/advice.pdf Also, have you read Derman's "My life as a quant"? You might consider pursuing a masters in financial...

http://jmlr.csail.mit.edu/papers/volume3/kalai02a/kalai02a.pdf

have you looked at this? http://paul.wilmott.com/crashmetrics.cfm

They advertise with "Combined top 5 providers in the last 30 days $30,993.46 (3531 pips)" To put this in perspective: It seems the combined bottom 5 providers in the last 30 days lost $190,895.

I think the problem with constructing a portfolio of trading systems is, that it can create a false sense of security. It is quite easy to get a nice looking portfolio equity curve from a bunch of bad systems. Because the portfolio curve looks nice, you think you're on to something, while in...

you could consider lending money through prosper.

Using a walk forward test as an argument to sell a product doesn't mean a lot. The typical criticism of a backtest (over optimization) is equally true for walk-forward testing if it is not known how many times a walk-forward test was repeated. If I would walk-forward test millions of...

my blog on trading Collective2 systems http://scitra.blogspot.com

my experience has been that periods of over performance by the signal providers have then been followed by significant drawdowns That is what you would expect if the history is fairly short. If you would follow 50 trading systems that simply flip coins (i.e. entry/exit at random) for their...

I have no experience with fx-auto so I can't make a direct comparison. I might give them a try in the future though. My experiences with C2 are good and I think it's a valuable service. Because so many systems lose money, the odds of picking a winning system at random are bad, which means you...

I fully agree. In addition you also want statistics about the correlation between the systems, so you can build a portfolio of systems with low or negative correlation. You can do even better by using a portfolio optimization tool, which gives you the optimal weights for each system in your...