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Personally I prefer my braille trading system so I can "feel" it.
It's a special enhancement for your flat screen monitor.
--- In amibroker@xxxxxxxxxxxxxxx, Yuki Taga <yukitaga@xxxx> wrote:
> Hi Brian,
>
> Sunday, November 7, 2004, 6:53:05 AM, you wrote:
>
> B> Ah. Big Ego speaks. Bold words. Empty words.
>
> Hey *all* you guys . . . (Fred, you too). We don't want this list
> ending up like every other list eventually ends up, right?
>
> Just imagine you are writing to a cute Japanese woman and see if it
> feels right before letting fly. ^^_^^
>
> FWIW, I can weigh in here with an argument or two (as opposed to
> unprocessed testosterone). Brian, you said, "I've gotten excellent
> results in backtesting only to find I did not trust the system and
> couldn't trade it." Perhaps. I'm sure some systems deteriorate;
I'm
> sure some systems simply stop working. But perhaps the excellent
> results were not over a sufficient time frame to be reliable. Or
> perhaps there were hidden draw downs in the system that whatever
back
> tester you were using at the time did not reveal. Or perhaps . . .
>
> The fact is, AB's back tester gives you a *lot* of information about
> what is happening to your equity over the course of time, and a lot
> of statistical tools to help you evaluate whether you would have
> confidence trading a particular system. A quick glance at only a
back
> test's bottom line might give unwarranted confidence. But if all the
> gauges are better than satisfactory, it's hard to imagine losing
> confidence in the system without a real workout.
>
> I will allow that you might have been unlucky enough to find a great
> system at precisely its breakdown point, but that would be like the
> haystack needle I suspect -- very bad luck. I will also allow that
> system trading, of any kind other than "never loses" (a dream of
> course) might not be for you. Some people cannot "let go". There
is
> also the problem that a back test can be created for a system that
> cannot actually be traded according to the back test. So, you have
> to know what you are doing, what you are looking for, and what you
> can stand emotionally. There are a lot of pieces to the puzzle.
And
> while there are undoubtedly back test engines that are "essentially
> worthless", AB's does not fall into that category at all.
>
> I agree with you that patience is very important, and that pouncing
> at the right time is critical, of course. But I don't use any of
the
> limited set of indicators you mentioned, and I feel that back
testing
> is *essential* for giving me the confidence to put a system on live.
> The testing, however, has to be done properly and analyzed
> thoroughly.
>
> Yuki
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