<SEC-DOCUMENT>0001381197-19-000002-index.html : 20190107
<SEC-HEADER>0001381197-19-000002.hdr.sgml : 20190107
<ACCEPTANCE-DATETIME>20190107091105
ACCESSION NUMBER:		0001381197-19-000002
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190107
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
FILED AS OF DATE:		20190107
DATE AS OF CHANGE:		20190107

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Interactive Brokers Group, Inc.
		CENTRAL INDEX KEY:			0001381197
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33440
		FILM NUMBER:		19512371

	BUSINESS ADDRESS:	
		STREET 1:		ONE PICKWICK PLAZA
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-618-5800

	MAIL ADDRESS:	
		STREET 1:		ONE PICKWICK PLAZA
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>ibkr-20190107x8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: ibkr-20190107x8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ibkr-20190107xex99_1.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: ibkr-20190107xex99_1.htm

</DOCUMENT>
</SEC-DOCUMENT>