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And how quickly do you determine that the difference between the values of the two functions is stationary - and god forbid - just random?
Very simple. We take two series and calculate the correlation using a formula. You always get a number and you never get no number. ....
faa, OK, I'll figure it out myself.
there is nothing to understand: given that the correlation range is [-1;1], anything outside this range is a false correlation!!!!!
;)))))))))
And how quickly do you determine that the difference between the values of the two functions is stationary - and god forbid - just random?
In the absence of impregnated sleepers it will not be a tram (c)
I would say that correlations are usually false. You have to prove that they are not false. And so trams, sleepers, horses, people .....
Correlation is not a direct indicator of the relationship. At +-1 there is a functional linear relationship. At 0, there is no linear relationship. That's it.
2 faa. the difference between two highly correlated instruments can be non-stationary and autocorrelated. Example: AUDUSD NZDUSD D1.
Correlation is not a direct indicator of the relationship. At +-1 there is a functional linear relationship. At 0, there is no linear relationship. That's it.
San Sanych!
Can't be trusted, but can be trusted with that probability :)