In the absence of frictions, the value of the underlying asset implied by option prices must equal its actual market value. With frictions, however, this requirement need not hold. Using S&P 100 index options data, I find that the implied cost of the index is significantly higher in the options market than in the stock market, and is directly related to measures of transaction costs and liquidity. I show that the Black-Scholes model has strong bid-ask spread, trading volume, and open interest biases. Option pricing models that relax the martingale restriction perform significantly better. Article published by Oxford University Press on behalf of the Society for Financial Studies in its journal, The Review of Financial Studies.
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Nicolae Garleanu & Lasse Heje Pedersen & Allen M. Poteshman, 2005.
"Demand-Based Option Pricing,"
NBER Working Papers
11843, National Bureau of Economic Research, Inc.
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Nicolae Gârleanu & Lasse Heje Pedersen & Allen M. Poteshman, 2009.
"Demand-Based Option Pricing,"
Review of Financial Studies,
Oxford University Press for Society for Financial Studies, vol. 22(10), pages 4259-4299, October.
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