Daily BriefsJapan

Daily Brief Japan: TSE Tokyo Price Index TOPIX and more

By September 23, 2026 No Comments

In today’s briefing:

  • Japan Single Stock Options: Call Overwriting After Strong Gains


Japan Single Stock Options: Call Overwriting After Strong Gains

By Gaudenz Schneider

  • Japanese equities have posted strong, broad-based gains in 2026. The BOJ’s moderate-growth outlook supports a cautiously bullish view for the remainder of the year.
  • Combined with elevated implied volatility, this outlook favours out-of-the-money call overwriting as a means of generating premium income while retaining some upside participation.
  • Five illustrative November examples show how call overwriting balances premium income against retained upside.

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