<SEC-DOCUMENT>9999999997-24-001747.txt : 20240405
<SEC-HEADER>9999999997-24-001747.hdr.sgml : 20240405
<ACCEPTANCE-DATETIME>20240405102252
<PAPER>
ACCESSION NUMBER:		9999999997-24-001747
CONFORMED SUBMISSION TYPE:	X-17A-5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20231231
FILED AS OF DATE:		20240304
DATE AS OF CHANGE:		20240405
EFFECTIVENESS DATE:		20240304
PERIOD START:           	20230101

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIMPLEX TRADING, LLC
		CENTRAL INDEX KEY:			0001488542
		ORGANIZATION NAME:           	
		IRS NUMBER:				272031362
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		X-17A-5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	008-68556
		FILM NUMBER:		24000706

	BUSINESS ADDRESS:	
		STREET 1:		230 S. LASALLE STREET
		STREET 2:		SUITE 08-500
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604
		BUSINESS PHONE:		312.360.2440

	MAIL ADDRESS:	
		STREET 1:		230 S. LASALLE STREET
		STREET 2:		SUITE 08-500
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60604

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SET TRADING PARTNERS, LLC
		DATE OF NAME CHANGE:	20120501

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MULTIPLEX TRADING LLC
		DATE OF NAME CHANGE:	20100402
</SEC-HEADER>
<DOCUMENT>
<TYPE>X-17A-5
<SEQUENCE>1
<FILENAME>9999999997-24-001747.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
<TEXT>
This document was generated as part of a paper submission.
Please reference the Document Control Number 24000706 for access to the original document.
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>