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well, we were able to break an erroneous ISLD trade last week with no problems. all we did was to call our broker (datek) and the trade was busted in 15 minutes. the order was to buy a $6 stock at $3000, though -- perhaps it would have been tougher if it were closer to the market. - jaan

well, you are not alone. just for fun, i started paper-trading QQQ (on double margin) on 8/30. by now, i'm down a cool 70%! plus commissions. so i've also toyed about the alert service idea, but i suspect that knowing about my "signals" being used in the contrarian manner would quickly ruin...

i second that. while i believe that generally humans still have an advantage over machines, one of the areas bots excel is sifting through large amounts of data to find opportunities. that's why the group i belong to chose to system-trade stocks not futures -- there's simply much more...

rigel, haven't you considered using an alert service (assuming your trade pick criteria are well defined)? - jaan

bucky, the reason why there has been no reply to jem is that (s)he is not really in disagreement with anything "doves" have said. because, to recap, what the "doves" are saying is: 1. terrorists must be taken out; 2. not all arabs are terrorists, nor is terrorism limited to arabs; 3...

i'm sorry, you are right. i was over-generalizing your post. i'm in full agreement with you that the terrorists need to be disabled, i just wanted to take the opportunity to re-stress the reasons why the response needs to be very discriminate in order to be effective. - jaan

rigel, i think you misunderstood nick's position. he is not advocating being nice to terrorists or having peace talks with them. i believe his point is that to be truly effective, US should give terrorists something that they are afraid of: something that would undermine their MOTIVATION and...

my thoughts: 1. elitetrader has done it again: spawning a thread packed with well thought-out and educative posts. 2. babak & vvv, please chill out -- you're not really in disagreement, just referring to different manifestations of islam. 3. while US distancing from israel would...

and you sincerely believe that this would calm the terrorists down, and put a stop on further attacks? oh boy... - jaan

roger2, i couldn't have put it better. almost as shocking as the recent events it is to witness people (including leaders of the US!) to believe that these horrible attacks were an "opening act" (or a "declaration of war") out of void context, to which genocide is justified and efficacious...

(just CC-ing my reply from another thread) while i completely understand your feelings, candletrader, and in no way condone the barbaric attacks, i do think it is very important to remain rational on this issue. matters as these are always much more complicated than they appear on the...

while i completely understand your feelings, candletrader, and in no way condone the barbaric attacks, i do think it is very important to remain rational on this issue. matters as these are always much more complicated than they appear on the surface, so provoking blind hatred will certainly...

as an alternative to email notification, i would find it nice to have a "virtual" message area consolidating threads that i have participated in. - jaan

i second that. the warm beige was much nicer. - jaan

are you sure? the last three rollover dates (for NQ) were: 20001207, 20010308, and 20010607. by looking at these i deducted that the rollover happens on expiry date minus 8 calendar days (ie on thursday of the previous week). your algorithm would have put the march rollover on friday...

hitman, please ignore tradex21. it is a simple law of public discussion forums that once you gain a respectable status, someone pops up who gets himself off by throwing sh*t at you. i wish you luck with your trading. - jaan

not really. i can see that i did not make myself clear, so let me rephrase: a mechanical system is MUCH more effective in calculating optimum risk/size than predicting optimum exit/entry points. i would never put forth a general claim that a mechanical system is better than discretionary one...

hi, while i agree with most of the posters above, there's one point i have to disagree on: and this is not true. it is a well known mathematical fact that once you know (from backtesting) the probability-distribution of your P/L, calculating the optimum (either in terms of ROI only or ROI...

Privateer, thanks for thorough explanation of OT. well, i think it is. "training period" is not specific to neural nets, it is just an alternative expression for "data used for optimizing the system". hence, if you say: then this effectively means that the period of historical data...

what you describe sounds like a classical over-training problem: one must not judge the performance of a mechanical system (indicator) using the same data-set that it was trained with. this in no way inflicts on mechanical systems in general. so instead of changing the marketing approach, the...