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A large confirmatory dynamic factor model for stock market returns in different time zones

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  • Linton, Oliver B.
  • Tang, Haihan
  • Wu, Jianbin

Abstract

We propose a confirmatory dynamic factor model for a large number of stocks whose returns are observed daily across multiple time zones. The model has a global factor and a continental factor that both drive the individual stock return series. We propose two estimators of the model: a quasi-maximum likelihood estimator (QML-just-identified), and an improved estimator based on an Expectation Maximization (EM) algorithm (QML-all-res). Our estimators are consistent and asymptotically normal under the large approximate factor model setting. In particular, the asymptotic distributions of QML-all-res are the same as those of the infeasible OLS estimators that treat factors as known and utilize all the restrictions on the parameters of the model. We apply the model to MSCI equity indices of 42 developed and emerging markets, and find that most markets are more integrated when the CBOE Volatility Index (VIX) is high.

Suggested Citation

  • Linton, Oliver B. & Tang, Haihan & Wu, Jianbin, 2025. "A large confirmatory dynamic factor model for stock market returns in different time zones," Journal of Econometrics, Elsevier, vol. 249(PB).
    • Handle: RePEc:eee:econom:v:249:y:2025:i:pb:s0304407625000259
    DOI: 10.1016/j.jeconom.2025.105971
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    More about this item

    Keywords

    Daily global stock market returns; Time-zone differences; Confirmatory dynamic factor models; Quasi maximum likelihood; EM algorithm;
    All these keywords.

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • C55 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Large Data Sets: Modeling and Analysis
    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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