Oil and US stock market shocks: implications for Canadian equities

Reinhold Heinlein, Scott Mark Romeo Mahadeo

Research output: Contribution to journalArticlepeer-review

Abstract

Oil and US stock market shocks are relevant to Canadian equities, as Canada is an oil-exporter exposed to market developments in the wider continent. We evaluate how the relationship between Canadian stock market indices and such external shocks change under extraordinary events. To do this, we subject statistically identified oil and S&P 500 market shocks to a surprise filter, which detects shocks with the greatest magnitude occurring over a given lookback period; and an outlier filter, which detects extrema shocks that exceed a normal range. Then, we examine how the dependence structure between shocks and Canadian equities change under the extreme surprise and outlier episodes through various co-moment spillover tests. Our results show co-moments beyond correlation are important in reflecting the changes occurring in the relationships between external shocks and Canadian equities in extreme events. Additionally, the differences in findings under extreme positive and negative shocks provide evidence for asymmetric spillover effects from the oil and US stock markets to Canadian equities. Moreover, the observed heterogeneity in the relationships between disaggregated Canadian equities and shocks in the crude oil and S&P 500 markets are useful to policymakers for revealing sector-specific vulnerabilities, and provide portfolio diversification opportunities for investors to exploit.
Original languageEnglish
JournalCanadian Journal of Economics
Publication statusAccepted for publication - 31 Mar 2022

Keywords

  • Canada
  • oil market
  • spillover
  • stock market
  • United States

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