We don't override the models.

Investors
Jim Simons
Born in 1938, died in 2024. As a mathematician James Simons created Chern-Simons theory in differential geometry, then pivoted to Wall Street and founded Renaissance Technologies. Its flagship Medallion Fund recorded an unprecedented annualized return of roughly 66% (before fees) over thirty years from 1988 to 2018, proving the potential of mathematical-model-driven investing and establishing Simons as the pioneer of quantitative finance.
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Jim Simons's Other Quotes
Related Quotes
Between your preparation and your goals, there is one important bridge called discipline.
-- Dhirubhai Ambani
Have patience. Stocks don't go up immediately.
-- Walter Schloss
I've never bought a stock unless, in my view, it was on sale.
-- John Neff
The checklist is there to protect me from myself.
-- Guy Spier
Where you want to be is always in control, never wishing, always trading, and always, first and foremost protecting your butt.
-- Paul Tudor Jones
To succeed in the market, as in blackjack, you need an edge, you need to know how to size your bets, and you need the discipline to stick with the system.
-- Edward O. Thorp