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As Steve said it, mathematical sophistication is not the solution to
the problem of making money in this game. If price is going up it is
going up. Do you see it for what it is doing or do you cloud your
vision with complex computational approaches? If the latter I will pray
for your financial health.
Does that mean people who use complex
computational techniques do not make money? No!! But most people who do use them, do not
comprehend the essence and nuances of the tool they are attempting to
use. Generalisation I agree but my experiece says it is more or less true. So what do you need to do? That is for you to decide.
The trades I make money in are those which are based on a simple criteria i.e. price has started going up/down and participation is good in the market/stock in question. Why participation? If I need to bail out I should be able to do so without being hit by very wide spreads hence the desire to ensure it is a very liquid trading vehicle. Wide spreads on a loss making position is tantamount to adding insult to injury!! Once in a trade very clear cut criteria for bailing out should the need arise. If I am wrong I am wrong, wishing otherwise is not going to change that. Next how much money I want to make in a trade. This is not about one big ride into the sunset. It is about making a living day in day out. Finally if in a profit making scenario and the market starts going against me how much of my profits I want to give back before I bail out. Sorting these out made sure that I had a semblance of success to talk about.
Regards
Rakesh
On Tue, Mar 11, 2008 at 8:01 AM, Paul Ho < paultsho@xxxxxxxxxxxx> wrote:
Without some grounding in Digitial Signal processing,
it is extremely difficult to understand and use FFT. if you are not that way
inclined, I suggest you use something else. But if you really want to understand
FFT, you can try any digital signal processing textbook in the Library, What FFT
does is to transform signal from a time domain (what you see on a price chart)
and transform it to the frequency domain( ie cycles). People are interesting in
predicting peak and troughs, and hence their interest in FFT. The major drawback
on FFT is that it assume the signals is stationary, but in real life, it is
never the case. Elhers has written some books, but usually doesnt give
sufficient understanding on which decisions might be made, but more
concentrating on a cookbook approach - coding without understanding, but
nevertheless, it provides some info. Another good source is to do a search on
ambroker or ambroker-ts boards for previous discussions.
hi,
can anyone tell me where i can learn abt FFT ...how to interpret
it i mean.
thanx
kmckiou
<kmckiou@xxxxxxxxxxxxxxxxxx> wrote:
Hi!
Has anyone used Fourier transforms (fft) to filter price data? I
tried
the example provided in the description of fft and it worked as
expected, but it is not being used as a filter - it is just plotting
the dominant cycle. I suspect the necessary building blocks are present
in this example, but my knowledge of Fourier transforms is pretty weak,
so, I thought I would ask if anyone had already coded a program to
filter price data using transforms before I started hacking
about.
Thanks!
- Kevin
Om namah
shivay
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