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An intra-week efficiency analysis of bookie-quoted NFL betting lines in NYC

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  • Miller, Thomas W.
  • Rapach, David E.

Abstract

We analyze the intra-week evolution of bookie-quoted National Football League betting lines in New York City and its implications for market efficiency. Our unique data set includes three sequential lines: (i) an outlaw line set by a single agent at the beginning of the week; (ii) Tuesday's opening line shaped by bets from a group of eight to ten agents; and (iii) a game-time closing line shaped by the wider public. While forecast encompassing tests show that information content increases during the betting week, consistent with a reasonably well-functioning market, we also uncover significant evidence of pricing inefficiencies relating to sentiment measures. In addition, actual bets made by a number of professional gamblers appear profitable, pointing to the existence of superior analysts.

Suggested Citation

  • Miller, Thomas W. & Rapach, David E., 2013. "An intra-week efficiency analysis of bookie-quoted NFL betting lines in NYC," Journal of Empirical Finance, Elsevier, vol. 24(C), pages 10-23.
    • Handle: RePEc:eee:empfin:v:24:y:2013:i:c:p:10-23
    DOI: 10.1016/j.jempfin.2013.07.002
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    Cited by:

    1. Durand, Robert B. & Patterson, Fernando M. & Shank, Corey A., 2021. "Behavioral biases in the NFL gambling market: Overreaction to news and the recency bias," Journal of Behavioral and Experimental Finance, Elsevier, vol. 31(C).

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    More about this item

    Keywords

    Market efficiency; National Football League; Outlaw line; Forecast encompassing; Sentiment; Superior analysts;
    All these keywords.

    JEL classification:

    • C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions; Probabilities
    • C53 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Forecasting and Prediction Models; Simulation Methods
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation

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