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芝加哥期权交易所拟修改 Mini 比特币指数期权报价增量

2025-12-31 17:32:15

ChainCatcher 消息,美国证券交易委员会(SEC)已对芝加哥期权交易所(Cboe)提交的关于修改 Rule 5.4 规则的建议启动审查程序,以决定是否批准调整 Cboe Mini 比特币美国 ETF 指数(MBTX)期权的最小报价增量。

该提议计划将成交价格低于 3 美元的期权系列最小报价单位设定为 0.01 美元,成交价格在 3 美元及以上的系列设定为 0.05 美元。目前 SEC 正就该提议征求公众意见,截止日期为 2026 年 1 月 21 日。

Cboe 表示,MBTX 是追踪美国市场主流比特币现货 ETF(如 IBIT 等)表现的微型(Mini)指数。此举旨在使 MBTX 期权与贝莱德 iShares Bitcoin Trust(IBIT)期权的报价粒度对齐,通过更精细的定价缩小买卖价差。

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