MemCast
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Edge decay accelerates when a strategy becomes widely known, shrinking the time to profit
  • As more participants copy a profitable idea, the informational advantage erodes.
  • Nang explains that once an edge is “gone,” the price moves in the expected direction much faster, reducing the window for profit.
  • This creates a race: the first mover captures most of the alpha; late adopters see diminished returns.
  • Continuous innovation and monitoring of edge health are required to stay ahead.
Rishi NangTitans Of Tomorrow01:41:38

Supporting quotes

“If the edge is gone, what should happen is that the time it takes for the thing to move in the direction that you expected goes down a lot. It moves there much faster.” — Rishi Nang
“Because that means someone's doing it before you. So it's not that the thing no longer happens. It's that someone's better than you at it.” — Rishi Nang

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Risk Management, Position Sizing & Edge Decay

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