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You are hopeless or racist. Greeks control over 25% of worldwide shipping (see NM, DRYS, TEN, BALT and many others). The problem is that those wealthy Greeks have left their country and live in England and elsewhere because they are scared of communism rising. The first step to communism is...

I propose that ET sets standards for the journal section. The most important is that all orders displayed should be time stamped with price and date. Otherwise, this leaves a lot of room for play. For example if XYZ ranges from 10 to 14 during the buy day and then from 13 to 8 during the sell...

:) By the way, do you know the story between two friends? They once met and one said that he slept early the night before and he saw a dream that he was playing basketball with the president. The other said that he went to a bar and got picked up by two models. His friend asked him why he did...

The learning curve for profitable trading is about 5 - 10 years under strict supervision by a master. You have the wrong conception. What exactly do you have in mind? Do you want to scalp, hold positions, follow trends? The answers should depend on that. If you are going to follow trends, you...

http://en.wikipedia.org/wiki/File:Mirror_baby.jpg http://en.wikipedia.org/wiki/Experiment

I agree is not sufficient for a good system but we did not get to that point yet:)

I don't think you understand the meaning of terms you are using, sorry to say that, no personal offense intended. Market makers must be net short when there is high retail demand for assets. Where do you see the efficiency? This is the greater inefficiency right in the core of the market...

I think that this is a wrong application of this principle. A trading system need not be an estimator of the market dynamics. This is not what a trading system does. Actually, a trading system should not even try to do this because it will fail almost immediately. A trading system is a model of...

I think most, including the OP, have missed the point. The problem is not reverse engineering because it is not an effcient process as the trader can change his system anytime. The problem is front-running from offshore accounts a trader with a good record. Front-running can dramatically...

Very good post. TA is the problem. Not matter how advanced the GP algorithm is, garbage in - garbage out. But I would also liem to add that GP is nothing more that a process for selecting the best fit. This works well for species in biology and for solving some math problems but it is a terrible...

Precicely. Well said. NNs and things like genetic programming and genetic algorithms are curve-fitting tools by definition. Very useful in many application in science, not very useful for developing trading systems because of that.

Out-of-sample tests are not necessarily curve-fitting tests. Think about it. Also see this post, http://www.elitetrader.com/vb/showthread.php?s=&postid=3554258#post3554258

Doesn't make any difference if it is or not, it is used it that context to differentiate between random and robust signals. Do not confuse use of predictive in metaphysics with use of predictive in trading. The latter implies probability the former certainty.

This is plain honest and true. The problem IMO was not technical analysis but that the trading entries were not robust enough to deal with randomness, as you said. TA is a tool. What you get out of it depends on your level of understanding of it. By the way, there was a very good imo article...

I don't think that curve-fitting tests are not possible because of small number of trades. First of all, is this a trend-following system? If it is, judging from the low number of trades, then have you tested it across several correlated markets? Does it perform as well? This is one curve-fit...

That would be: One man digs 5 holes in 5 days. There is no play on words. It is a typical high school problem you flanked.

Your conclusion does not follow from your premises. To get to the core of this, as jcl, another member, said in another thread, series autocorrelation is empirically measured to last for up to 4 bars. I say maybe up to 10 bars. Then it vanishes. It is then unrealistic to expect patterns...

Right! The funny thing is that while lacking basic, high school, algebra skills he attacked this forum as comprised mostly from trolls.

Bye. Do not forget to learn simple algebra before starting trading. :)

I see you changed your post. There is not such thing as "if or only if situation". If you mean "if, and only if", it cannot be because it implies tautological existence, a surpreme law.