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Black-Scholes works for short-term options, but if it's a…

“Black-Scholes works for short-term options, but if it's a long-term option and you think you know something [about the underlying asset], it's insane to use Black-Scholes.” quote by Charlie Munger
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“Black-Scholes works for short-term options, but if it's a long-term option and you think you know something [about the underlying asset], it's insane to use Black-Scholes.”

Charlie Munger

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Black‑Scholes is unsuitable for long‑term options when you claim insight into the underlying asset; it becomes irrational.

In simple terms: Black‑Scholes fails for long‑term speculative bets.

Key Takeaway

Use appropriate valuation models.

Themes

finance risk valuation

Mood

cautious analytical

Type

financial educational

When to use this quote

  • portfolio management
  • investment strategy
  • risk assessment

Key Concepts

Option pricing model risk long‑term investing

Questions to Reflect On

  • When is Black‑Scholes still useful?
  • How to assess model suitability?
A Different Perspective

It may overlook cases where the model is adjusted for long horizons.

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