The implied volatility smirk in the Chinese equity options market

Tian Yue, Sebastian A. Gehricke, Jin E. Zhang, Zheyao Pan

Research output: Contribution to journalArticlepeer-review


This paper analyzes the implied volatility (IV) curve of the SSE 50 ETF options, the first equity options market in mainland China. We quantify the IV curve and find it exhibits a right-skewed smirk shape, which is different to the left-skewed IV smirk shape shown in the international options markets and offshore options based on ETFs tracking large Chinese equities. Consistent with the right-skewed smirk shape, a delta-neutral option writing strategy generates higher profits from writing call options than put options. Finally, we show that the level and slope factors of the IV curve are related to investor sentiment.

Original languageEnglish
Article number101624
Pages (from-to)1-16
Number of pages16
JournalPacific-Basin Finance Journal
Publication statusPublished - Oct 2021


  • SSE 50 ETF options
  • Implied volatility smirk
  • Option trading strategy
  • Investor sentiment


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