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Black-Scholes makes the following assumptions (which are not valid in reality)

  • constant volatility (not valid in the long term),
  • efficient markets (hence no room for artbitrage),
  • constant interest rates,
  • log-normal returns,
  • the option are imlicitly European and can only be exercized on their expiration date
  • no commission or transaction costs,
  • and perfect market liquidity.
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Q: What are the main defects of the Black and Scholes model?
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What is optional pricing?

prices accessory products that are offered with the main product is called optional pricing for ex.. car accessories _____________________________________________________________________ Uhhhhh... In short, option pricing theory uses advanced modeling techniques, such as the Black-Scholes method, to estimate some form of value for a stock value, equity, etc. Not so sure about the car accessories thing noted above ...lol.


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