Yeah BSD, there are no guarantees
The correlation is very low, but it should still be positive and that on its own makes it relevant. If correlation was negative then our education system is doing something very wrong.
I went all the way to PhD, and I can safely say that when I started trading, I lost, and lost stupidly. Someone who dropped out of school at age 12 would probably not have traded worse than I did
. The PhD itself doesn't help me in trading, it doesn't help me speak a foreign language, it doesn't make me more intelligent than anyone here on the board. But, the PhD taught me something very useful, which I now consider priceless. It taught me
how to learn. Such a simple thing, but most people don't know.
I agree with you about maths not giving you an advantage in actual trading, and I would probably agree any related degree like economics or finance would also not help much. I think it is the side skills you pick up doing those courses though that are what is important. Attention to detail, research, statistics, concentration, ability to learn quickly and be tested on it and not crack under the pressure of exams.
If you take a first class degree from Cambridge in a technical subject, you can be pretty confident that guy can learn quickly, communicate clearly, works reasonably hard and can handle at least the exam pressure. Someone who quit school at 16 can make a great trader, but I'd think the Cambridge guy is favourite. Unfortunately I didn't go to Cambridge