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The question of an edge

  #18 (permalink)

Wiltshire, United Kingdom
Trading Experience: Beginner
Platform: Jigsaw daytradr
Favorite Futures: US Equity Index Futures
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Posts: 694 since Sep 2013
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.....the positive mathematical expectancy for a strategy lasts no longer than the market conditions in which that strategy performs successfully do.

A good friend who used to work for me became CTO of a large risk metrics outfit employing c50 Phd's. He confessed that the biggest problem he had was that they actually believed in what they did. Sometimes reality needs common sense to see past the numbers, as well as debunk the beliefs.

Thanks, I have just finished a book and you have reminded me about 'When Genius Failed' by Roger Lowenstein (the demise of the LTCM hedge fund), one of my favourites. I will re-read that.

Last edited by matthew28; July 15th, 2017 at 10:30 AM. Reason: Ropey Grammar
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