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Sep. 02, 2025 OSE 20-year JGB Futures: Trading Volume in August 2025 Hit Highest Levels Since Launch

In August 2025, business was brisk for mini 20-year JGB Futures (20-year JGB Futures) at Osaka Exchange, Inc. (OSE).
Investor participation in 20-year JGB Futures surged dramatically amid fluctuations that have been occurring in the super-long-term ranges of JPY interest rates since April. Total trading volume in August reached 41,795 contracts (JPY 417.95 billion in face value), representing the highest monthly figures since the market was launched in 1988 and surpassing the July 1988 record high of 24,636 contracts.

Additionally, open interest on August 25 reached 13,167 contracts ahead of the auction for enhanced liquidity on August 26 (for maturities exceeding 15.5 years but less than 39 years), significantly surpassing the previous record that was set when the market was launched in 1988 and surpassing the record high of 5,100 contracts on July 8, 1988.

OSE will continue its efforts to improve efficiency in the yen interest rate market in order to meet the needs of market stakeholders.

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