This paper investigates options market reaction to changes in the instantaneous variance of the underlying asset. There are three main findings. First, options market investors underreact to individual daily changes in instantaneous variance. Second, these same investors overreact to periods of mostly increasing or mostly decreasing daily changes in instantaneous variance. Third, they tend to underreact (overreact) to current daily changes in instantaneous variance that are preceded mostly by daily changes of the opposite (same) sign. The third finding can reconcile the first two and is also consistent with well-established cognitive biases. Copyright The American Finance Association 2001.
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Garleanu, Nicolae Bogdan & Pedersen, Lasse Heje & Poteshman, Allen M, 2005.
"Demand-Based Option Pricing,"
CEPR Discussion Papers
5420, C.E.P.R. Discussion Papers.
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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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