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The temporal evolution of mispricing in prediction markets

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  • Restocchi, Valerio
  • McGroarty, Frank
  • Gerding, Enrico

Abstract

We analyze mispricing in prediction markets, a powerful forecasting tool that harnesses the wisdom of the crowd. We show that prediction market prices exhibit mispricing, and we quantify its temporal evolution. Our results suggest that level of the FLB, averaged over the entire time period, decreases with market duration, but this changes when considering only the last trading days. In that case, we find FLB to be positively correlated with duration. We argue that this type of temporal dynamics of mispricing we observe is consistent with herding behavior.

Suggested Citation

  • Restocchi, Valerio & McGroarty, Frank & Gerding, Enrico, 2019. "The temporal evolution of mispricing in prediction markets," Finance Research Letters, Elsevier, vol. 29(C), pages 303-307.
    • Handle: RePEc:eee:finlet:v:29:y:2019:i:c:p:303-307
    DOI: 10.1016/j.frl.2018.08.003
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    References listed on IDEAS

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    More about this item

    Keywords

    Mispricing; Prediction markets; Asset pricing; Favorite-longshot bias;
    All these keywords.

    JEL classification:

    • D4 - Microeconomics - - Market Structure, Pricing, and Design
    • G1 - Financial Economics - - General Financial Markets

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