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芝加哥期權交易所擬修改 Mini 比特幣指數期權報價增量

2025-12-31 17:32:15

ChainCatcher 消息,美國證券交易委員會(SEC)已對芝加哥期權交易所(Cboe)提交的關於修改 Rule 5.4 規則的建議啟動審查程序,以決定是否批准調整 Cboe Mini 比特幣美國 ETF 指數(MBTX)期權的最小報價增量。

該提議計劃將成交價格低於 3 美元的期權系列最小報價單位設定為 0.01 美元,成交價格在 3 美元及以上的系列設定為 0.05 美元。目前 SEC 正就該提議徵求公眾意見,截止日期為 2026 年 1 月 21 日。

Cboe 表示,MBTX 是追蹤美國市場主流比特幣現貨 ETF(如 IBIT 等)表現的微型(Mini)指數。此舉旨在使 MBTX 期權與貝萊德 iShares Bitcoin Trust(IBIT)期權的報價粒度對齊,通過更精細的定價縮小買賣價差。

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