Market News

Mar. 26, 2026 OSE Revisions to the Method of Setting the Contract Months of Nikkei 225 mini Options

In response to increasing demand among market participants for greater flexibility in the setting of contract months for Nikkei 225 mini Options, Osaka Exchange, Inc. (OSE) will introduce additional weekly contracts that expire on Mondays, Tuesdays, and Thursdays to be scheduled in April 2027. As a result of these revisions, maturities for Nikkei 225 mini Options will occur on a daily basis. OSE will be accepting public comments regarding this matter starting from today (March 26, 2026).