制度概要 | 日経225ミニオプション | 日本取引所グループ
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制度概要 | 日経225ミニオプション | 日本取引所グループ
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This page describes the system overview of the Nikkei 225 Mini Options offered by Japan Exchange Group. The underlying asset is the Nikkei 225 Index, with trading commencing May 29, 2023. Trading operates in two sessions—daytime and nighttime—using an 11-contract month system. Strike prices are set in 125-yen increments, and the trading unit is option price × 100 yen. The minimum price fluctuation is 1 yen for prices ≤300 yen and 5 yen for prices >300 yen. The exchange implements price limits, circuit breaker mechanisms, and J-NET trading options with specific trading rules and settlement procedures.
