Price Limit Expansion and Volatility: A Theoretical Perspective*

Research output: Contribution to journalArticlepeer-review

Abstract

We theoretically examine whether and how price limit expansion changes return volatility. This study incorporates competing hypotheses regarding investor reactions to limit-hit events into a model that considers trader irrationality; we then conduct several simulations. We find that, when price limits are widened, stock return volatility tends to increase but may also remain unchanged or decrease. We consider the implications of the study’s main findings, which shed light on the mixed empirical results found in the price limit literature so far.

Original languageEnglish
Pages (from-to)271-287
Number of pages17
JournalAsia-Pacific Journal of Financial Studies
Volume50
Issue number3
DOIs
StatePublished - 2021 Jun

Keywords

  • Censored distribution
  • Investor rationality
  • Korean stock market
  • Price limit
  • Volatility

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