Simple is better. Empirical comparison of American option valuation methods

Katarzyna Toporek

Ekonomia journal, 2012, vol. 29

Abstract: Technique for American options valuation, combining Least Squares Monte Carlo with Duan\’s model under the assumption that the volatility of the underlier can be described by GARCH(1, 1) process, has been confronted with simple binomial tree model. Results of comparison of model outcomes with market prices for ten different CBOE-traded stock options indicate that simple binomial model is superior to sophisticated GARCH-LSM method. The results hold regardless of option characteristics—“moneyness” ratio and time to maturity. Incorporating dividend in binomial model does not significantly alter the valuation outcomes. Detailed analysis shows also that for each of the methods pricing errors grow as the “moneyness” ratio decreases.

Keywords: Least Squares Monte Carlo; GARCH; option valuation; Duan model; LRNVR (search for similar items in EconPapers)
Date: 2012
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