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美国
证券交易委员会
华盛顿特区 20549

表格 8-K

当前报告

根据1934年证券交易法第13条或第15(d)条

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报告日期（最早事件报告日期）： 2026年10月15日

Interactive Brokers Group, Inc.

(注册人根据其章程指定的名称)

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\n	\n	\n	\n	\n
特拉华州	001-33440	30-0390693
(注册州或其它司法管辖区 )	(委员会文件编号)	(美国国税局雇主识别号码)

ONE PICKWICK PLAZA
GREENWICH, 康涅狄格州		06830
(主要执行办公室地址)		(邮政编码)

\n \n \n \n \n \n

注册人的电话号码，包括地区代码： 203 618-5800

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(如果自上次报告以来名称或地址有所更改，请在此处注明)

如果本8-K表格的提交旨在同时满足注册人根据以下任何规定下的提交义务，请在下面适当的方框中打勾：

☐根据证券法第425条规则的书面沟通（17 CFR 230.425）

☐根据交易所法第14a-12条规则的征求材料（17 CFR 240.14a-12）

☐根据交易所法第14d-2(b)条规则的开始前沟通（17 CFR 240.14d-2(b)）

☐根据交易所法第13e-4(c)条规则的开始前沟通（17 CFR 240.13e-4(c)）

根据证券交易法第12(b)条注册的证券：

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\n	\n	\n	\n	\n
每类证券的名称		交易符号		每类证券注册的交易所名称
面值为每股0.01美元的普通股		IBKR		纳斯达克全球精选市场

通过勾选方框表明注册人是否为根据1933年证券法第405条（§ 230.405）或1934年证券交易法第12b-2条（§ 240.12b-2）定义的新兴成长公司。

新兴成长公司 ☐

如果为新兴成长公司，请通过勾选方框表明注册人是否已选择不使用根据交易所法第13(a)条提供的任何新修订的财务会计标准的延长过渡期。 ☐

项目 2.02 运营结果和财务状况。

2026年10月15日，Interactive Brokers Group, Inc.（“公司”）发布了一份新闻稿，报告了截至2026年9月30日的季度财务结果。本报告附有该新闻稿的副本，作为本报告的99.1号附录，并在此引用。本报告中提供的所有信息（包括此处的99.1号附录）不得被视为根据《1934年证券交易法》第18条“提交”的信息，除非在这些文件中有明确引用，否则不得根据《1933年证券法》进行引用，无论该等文件是在本文件日期之前或之后作出，且无论这些文件中是否包含一般性引用语言。

第9.01项财务报表和附录

（d）附录

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99.1	2026年10月15日的新闻稿。

104	封面页交互数据文件（封面页的XBRL标签已嵌入内联XBRL文档中）。

***

签名

根据《1934年证券交易法》的要求，注册人已 duly 促使本报告由在此 duly 授权的下述签署人代表其签署。

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			INTERACTIVE BROKERS GROUP, INC.

日期：	2026年10月15日	由：	/s/ Paul J. Brody
			Paul J. Brody 首席财务官、司库和秘书

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表格 8-K

项目 2.02 运营结果和财务状况。

第9.01项 财务报表和附录

第9.01项财务报表和附录