Just passing through. I like the idea of your thread.
Correlation is also great for determining when a counter-trending price action may be in process. I like to use two negatively correlated instruments...like EurUsd and UsdChf for example...if you're into FX.
Here is a correlation table that you might like. It works on Live accounts. Not sure it would work on a Demo. Version 1.2.5 is out. There may have been an even more recent version...not sure about that though.
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Enjoy!