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I'm assuming that the person writing the system is competent enough to figure out if their system is even worth trading. The question is dealing with two systems. Buy and hold is not the be-all-end-all for performance measurements. What if your system earned less than the market, but was less...

what are you trying to achieve? Are you looking for 1 ultimate strategy or a few complimentary strategies? If you're looking to compare two of the same strategy such as mean reversion, then you could compare the two by using a 2 sample t test of average profit per trade (in this case your...

Well said. I would guess more rigorous in terms of proving and identiying. I propose a different question: what can retail traders learn and efficiently implement from hedge fund strategies?

Well, why would a hedge fund need a complex strategy. Think about moving billions of leveraged dollars around without trying to leave a foot print, or perhaps to rigorously explain a price pattern to your fellow phd peers that can come to your desk and tell that your work is crap. If my memory...

Hi TSGann, Do you trade for yourself or for a company? If for a company, it doesn't seem like you are a market maker. Do you do proprietary trading for an IB bank or hedgefund? Thanks

I trade whatever time frame I fall into where I have a competitive edge given my trading system. Discretionary daytrading can be mentally and emotionally draining. Personally I like to have a system where I'm not tapping tickers every second of the day. This way I can do research on other...

I know several daytraders who make around 600k (not in NY) a year for prop. firms who don't have to deal with all the corporate BS. They aren't flipping a coin, they're consistent and have an edge (sharpe ratios above 4). If you feel inferior to some Wall St. trader with that sort of...

I was wondering if anybody could recommend software for intraday scanning. I also need a direct access broker that is either an all-in-one provider (tradestation) or just to fill my trades and provide data. Ideally I would want to be able to backtest historical fundamental data for a portfolio...

Actually I'm still puzzled because there were around 9000 nonoptimized trades on in sample data and my out of sample trades were not significantly different than the in sample. The strategy itself makes sense and is very simple. The timeframes that I'm concerned about were in the past and...

I'm actually struggling with this very problem-- if a system works now, but it didn't in the past ('97 and before) is it robust? Along these lines I think it's important, as already mentioned to define the margins for working vs. broken. Do you think using a normal distribution is...