Option‐Implied Risk Aversion Estimates

  • Author(s): Robert R. Bliss, Nikolaos Panigirtzoglou
  • Published: Nov 27, 2005
  • Pages: 407-446
  • DOI: 10.1111/j.1540-6261.2004.00637.x

ABSTRACT

Using a utility function to adjust the risk‐neutral PDF embedded in cross sections of options, we obtain measures of the risk aversion implied in option prices. Using FTSE 100 and S&P 500 options, and both power and exponential‐utility functions, we estimate the representative agent's relative risk aversion (RRA) at different horizons. The estimated coefficients of RRA are all reasonable. The RRA estimates are remarkably consistent across utility functions and across markets for given horizons. The degree of RRA declines broadly with the forecast horizon and is lower during periods of high market volatility.

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