Here was my post:
Bitcoin is not an investment and should not be considered an investment. It is a speculation.
It is a
particularly speculative speculation.
Technical analysis, of all the
superstitions held by traders, has probably the least amount of value. There
is no "head and shoulders" there
is no "support" there
is no "leg down" and there
is no "Great Scoop". All nonsense, all worthless.
~~~
That's what I believe. There is no proof that it works, there will never be any proof that it works, and there are overwhelmingly convincing reasons to believe that it most definitely does not work. Here is perhaps the best explanation:
Market Timing, Technical Analysis, and Other Superstitions Practiced by Investment Advisors
Here's Harry's rule on trading systems:
Rule #6: No trading system will work as well in the future as it did in the past.
You'll come across many trading systems or indicators that seem always to have signaled correctly where your money should have been, but somehow the systems never come through when your money is on the line.
Here's an example of technical analysis:
http://www.crawlingroad.com/blog/201...-up-in-flames/
Just ask yourself:
why? Why would the price change directions when the 90-day moving average crosses the 20 day moving average? Why wouldn't the 150 day average crossing the 10 day average cause the change?
Let me just answer and save you the trouble:
Reversion to mean!
There's no absolutes, it's not an exact science. Sometimes maybe it would. You have to do your research and understand the particular market you're TAing. And then you have to be flexible and alert and constantly adapting.
My replies:
But that's not a coherent
explanation. That's not science. What's the
causality? These are human beings we're talking about.
Why would they predictably act so as to make things revert to the 90-day moving average on a certain, predictable schedule?
There is no reason!
Plus, more importantly, they
don't. They don't do that. There is no trading formula you can follow that can consistently beat the market. There just isn't. We humans are great at finding non-existent patterns in noise. But they're not real: it's just noise. And back-testing can make a dumb trick look like roses, but forward into-the-future
reality testing is another matter, and never seems to work out nearly so well.
Yes, this is how TAers and other market fortunetellers do it: make enough caveats and enough excuses and be vague and ambiguous enough to give yourself an out when your confident predictions fail utterly and spectacularly.
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