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Notices to Participants
Notice # 2018-05 (2018-02-16): Notice of Holiday Closure
CX will be closed for President's Day starting on Friday, 2/16/2018 at 4:00 PM ET. CX will reopen on Monday 2/19/2018 at 7:00 PM ET.

Notice # 2018-04 (2018-02-16): CX Rule Change - Change of Name (pdf, 317KB)
The Rules of CX Futures Exchange, L.P. are being amended to revise the entity name to be CX Futures Exchange, L.P. This rule amendment becomes effective as of March 5, 2018.

Notice # 2018-03 (2018-02-16): CX Clearinghouse Rule Change - Change of Name (pdf, 204KB)
The Rules of CX Clearinghouse, L.P. are being amended to revise the entity name to be CX Clearinghouse, L.P. This rule amendment becomes effective as of March 5, 2018.

Notice # 2018-02 (2018-01-28): Notice of CX System Maintenance
The maintenance window has been extended to include trade date February 4th, 2018. The FX/Metals system will remain offline Sunday night and the market will reopen at 6:30pm ET on Sunday February 4th, 2018. This will only affect FX/Metals systems, the CX Weather markets will be unaffected.

Notice # 2018-01 (2018-01-19): Notice of CX System Maintenance
Due to a major database upgrade, the FX/Metals system will be offline for the week of Sunday January 21, 2018 to Friday January 26, 2018. This will affect all logins, trading, funding, and registration. This will only affect FX/Metals systems, the CX Weather markets will be unaffected.

Notice # 2017-13 (2017-12-20): Notice of CX System Maintenance
The CX FX and Metals market systems will be undergoing system maintenance and will delay the market open for trade date December 21, 2017. The markets will open at 8am ET on the 21st, instead of the normal time of 6:30pm ET on the 20th.

Notice # 2017-12 (2017-12-12): Notice of CX System Maintenance
The CX FX and Metals market systems will be undergoing system maintenance on Wednesday December 12, 2017 starting at 9pm.

Notice # 2017-11 (2017-12-01): CX Bitcoin Swaps Contract Rules Filing (pdf, 350KB)

New contracts are being added for listing on CX Futures Exchange, L.P.: CX Bitcoin Swaps Contract. These Contract Rules become effective December 5, 2017.

Notice # 2017-10 (2017-11-22): Notice of CX System Maintenance
The CX Weather market systems will be undergoing system maintenance on Wednesday November 22, 2017 from 10am to 2pm ET. See the weather system status page for more details.

Notice # 2017-09 (2017-09-29): CX Contract Rules - Silver (pdf, 301KB)
The Rules of CX Futures Exchange, L.P. are being amended to decertify Silver contracts. This rule amendment becomes effective as of October 16, 2017.

Notice # 2017-08 (2017-09-29): CX Rule Change - Financial Requirements and Disruptive Practices (pdf, 389KB)
The Rules of CX Futures Exchange, L.P. are being amended to revise rules pertaining financial requirements for order execution and prohibitions against disruptive trading practices. This rule amendment becomes effective as of October 16, 2017.

Notice # 2017-07 (2017-07-21): Notice of CX System Maintenance
The CX FX & Metals market systems will be undergoing system maintenance on Friday, July 21, 2017 from 7pm to 9pm ET. See the FX & Metals system status page for more details.

Notice # 2017-06 (2017-06-22): Notice of CX System Maintenance
The CX weather market systems will be undergoing system maintenance from 2:00 PM ET to 3:00 PM ET on Thursday, June 22, 2017. See the weather system status page for more details.

Notice # 2017-05 (2017-06-09): CX WPDC Contract Rules Filing (pdf, 449KB), CX WPDC Contract Rules - Table 1 (pdf, 210KB)
New contracts are being added for listing on CX Futures Exchange, L.P.: WEEKLY PRECIPITATION DAY COUNT INDEX BINARY OPTIONS. These Contract Rules become effective June 13, 2017.

Notice # 2017-04 (2017-05-23): Notice of CX System Maintenance
The CX weather market systems will be undergoing system maintenance for brief portions of the day on Wednesday, May 24, 2017. See the weather system status page for more details.

Notice # 2017-03 (2017-05-05): CX Rule Change - Trading Privileges (pdf, 524KB)
The Rules of CX Futures Exchange, L.P. are being amended to revise rules pertaining to granting and restricting trading privileges. This rule amendment becomes effective as of May 19, 2017.

Notice # 2017-02 (2017-03-31): Notice of Start of CX MARI Contract Trading
The CX MARI Contract will start trading on Monday April 3, 2017 at 11am ET.

Notice # 2017-01 (2017-03-20): CX MARI Contract Rules Filing (pdf, 268KB)
New contracts are being added for listing on CX Futures Exchange, L.P.: MONTHLY AGGREGATE RAINFALL INDEX BINARY OPTIONS. These Contract Rules become effective March 22, 2017.

Notice # 2016-06 (2016-12-29): Notice of CX ANSL Contracts Regular Trading Schedule
In accordance with CX ANSL Contract Rule IX-3000(f)(1), regular trading of ANSL Contracts will begin on March 12, 2017 at 6:30PM ET.

Notice # 2016-05 (2016-06-13): CX ANSL Contract Rules Filing (pdf, 608KB), CX ANSL Contract Rules 2016 Table 1 Cover Sheet (pdf, 199KB), CX ANSL Contract Rules 2016 Table 1 (Excel, 905KB)
New contracts are being added for listing on CX Futures Exchange, L.P.: ATLANTIC NAMED STORM LANDFALL BINARY OPTIONS. These Contract Rules become effective July 6, 2016.

Notice # 2016-04 (2016-01-25): CX FAQ Regarding Pre-discussion of Trades (pdf, 330KB)
CX is announcing an FAQ that is intended to clarify its understanding of the rules regarding pre-discussion of trades. This FAQ becomes effective as of February 8, 2016.

Notice # 2016-03 (2016-01-22): CX FAQ Regarding CPOs, CTAs, and Other Entity Participants (pdf, 368KB)
CX is announcing an FAQ that is intended to clarify its understanding of some of its rules regarding Commodity Pool Operators ("CPOs"), Commodity Trading Advisors ("CTAs"), and other Participants that are not individuals, as well as the nature of Authorized Traders in such contexts. This FAQ becomes effective as of February 5, 2016.

Notice # 2016-02 (2016-01-21): CX Rule Change - Various Rules (pdf, 497KB)
The Rules of CX Futures Exchange, L.P. are being amended to revise certain defined terms and to clean up typographical errors and numbering. This rule amendment becomes effective as of February 4, 2016.

Notice # 2016-01 (2016-01-03): CX System Update (pdf, 6KB)
(Updated) To conduct year end system updates, CX will not be opening on Sunday, January 3rd, 2016 at 6:30PM ET as usual. Instead, markets will open for the new year on Tuesday, January 5th, 2016 at 6:30PM ET.

Notice # 2015-10 (2015-08-20): CX System Maintenance (pdf, 12KB)
(Updated) To conduct a system upgrade, access to CX trading platform and account reports will be suspended starting Friday, August 21, 2015 at 4:00PM ET through the end of the Monday, August 24, 2015 trading day.

Notice # 2015-9 (2015-07-31):
CX Rule Change - Rule III-1 (pdf, 471KB)
The Rules of CX Futures Exchange, L.P. are being amended to modify the restrictions on trading by employees of affiliates. This rule amendment becomes effective as of August 14, 2015.

Notice # 2015-8 (2015-06-26): CX delayed opening June 30, 2015 (pdf)
CX will delay the start of trading on June 30, 2015 to avoid any possible problems related to the planned industry-wide "leap second".

Notice # 2015-7 (2015-06-11): CX Clearinghouse Rule Change - Rule II-2 (pdf, 359KB)
The Rules of CX Clearinghouse, L.P. are being amended to modify the bank account requirements for applicants. This rule amendment becomes effective as of June 25, 2015.

Notice # 2015-6 (2015-06-11): CX Rule Change - Rule III-3 (pdf, 363KB)
The Rules of CX Futures Exchange, L.P. are being amended to modify the bank account requirements for applicants. This rule amendment becomes effective as of June 26, 2015.

Notice # 2015-5 (2015-04-30): CX Incentive and Rebate Programs (pdf, 282KB)
CX is announcing an incentive program applicable to Referring Participants and a fee rebate program applicable to Participants with API connectivity to the Exchange. In addition, an FAQ is included that generally intends to clarify and explain the operation of the Referring Participant rules and the new programs.

Notice # 2015-4 (2015-03-20): CX Delisting of Contracts and Repeal of Contract Rules
In anticipation of new contract listings starting March 23, 2015, CX Futures Exchange, L.P. is delisting its EURO SPOT INDEX DIGITAL FLEX SWAPS CONTRACT, JAPANESE YEN SPOT INDEX DIGITAL FLEX SWAPS CONTRACT and BRITISH POUND SPOT INDEX DIGITAL FLEX SWAPS CONTRACT as of March 20, 2015, at 5:30 pm ET, at which time there will be no open interest in the foregoing contracts. Corresponding CX Futures Exchange, L.P. rules IX-3, IX-4 and IX-5 shall be deemed repealed as of the same time.

Notice # 2015-3 (2015-03-17):
CX New Contract Rules – Euro/US Dollar, British Pound/US Dollar, US Dollar/Yen, Euro/Yen, Australian Dollar/US Dollar, British Pound/Yen, Gold and Silver Contracts
New contracts are being added for listing on CX Futures Exchange, L.P.: EURO/US DOLLAR DIGITAL FLEX SWAPS CONTRACT, BRITISH POUND STERLING/US DOLLAR DIGITAL FLEX SWAPS CONTRACT, US DOLLAR/YEN DIGITAL FLEX SWAPS CONTRACT, EURO/YEN DIGITAL FLEX SWAPS CONTRACT, AUSTRALIAN DOLLAR/US DOLLAR DIGITAL FLEX SWAPS CONTRACT, BRITISH POUND STERLING/YEN DIGITAL FLEX SWAPS CONTRACT, DIGITAL FLEX SWAPS GOLD CONTRACT and DIGITAL FLEX SWAPS SILVER CONTRACT. These Contract Rules become effective March 19, 2015.

Notice # 2015-2 (2015-01-29): CX Rule Change - Rule I and Rule III
The Rules of CX Futures Exchange, L.P. are being amended to designate and establish rules respecting "Referring Participants" and "Referred Participants". This rule amendment becomes effective as of February 12, 2015.

Notice # 2015-1 (2015-01-20): CX Daily Market Report Notice (pdf. 8KB)
To make reporting more efficient, from the effective date of this Notice to Participants, daily market reports will be limited to only include instruments that are the subject of trading activity and/or open interest.

Notice # 2014-5 (2014-10-29): CX Contract Notice (pdf, 90KB)
CX Futures Exchange, L.P. will resume listing the BRITISH POUND SPOT INDEX DIGITAL FLEX SWAPS CONTRACT as of Thursday, November 13, 2014 at 5:30 pm ET.

Notice # 2014-4 (2014-10-15): CX Rule Change - Rule IV-4 (pdf, 171KB)
The Rules of CX Futures Exchange, L.P. are being amended to improve operational efficiency of processing Participants' deposit requests. This rule amendment becomes effective as of October 29, 2014.

Notice # 2014-3 (2014-10-08): CX Filing Re Euro, Pound and Yen Contracts (pdf, 99KB) and CX Filing Re Euro and Yen Contracts (pdf, 98KB)
CX Futures Exchange, L.P. filed Notices #2013-9, #2014-1, and #2014-2 with the Commodity Futures Trading Commission (“CFTC”).

Notice # 2014-2 (2014-10-06): CX Contract Notice (pdf, 8KB)
CX Futures Exchange, L.P. will resume listing its JAPANESE YEN SPOT INDEX DIGITAL FLEX SWAPS CONTRACT as of  Monday, October 6, 2014 at 5:30 pm ET.

Notice # 2014-1 (2014-09-17): CX Contract Notice (pdf, 8KB)
CX Futures Exchange, L.P. will resume listing its EURO SPOT INDEX DIGITAL FLEX SWAPS CONTRACT as of  Wednesday, September 17, 2014 at 5:30 pm ET.

Notice # 2013-9 (2013-10-23): CX Contract Notice (pdf, 14KB)
In order to perform required maintenance, CX Futures Exchange, L.P. will discontinue its listing schedule beginning after the close of business on Wednesday, October 23, 2013 for its Euro, British Pound, and Japanese Yen contracts, until further notice.

Notice # 2013-8 (2013-04-08): CX Clearinghouse Rule Change - Rule IV-2b (pdf, 33KB)
The Rules of CX Clearinghouse, L.P. are being amended to clarify that the funds held in Participant Clearing Accounts shall be considered Member Property, not Customer Property as use of term segregation implies in the current version of the rule. This rule amendment becomes effective the day after the next scheduled Board meeting.

Notice # 2013-7 (2013-03-13): CX New Contract Rules - British Pound Contract (pdf, 188KB)
A new contract is being added for listing on CX Futures Exchange, L.P.: the CX British Pound Spot Index Digital Flex Swaps Contract. These Contract Rules became effective April 2, 2013.

Notice # 2013-6 (2013-03-13): CX New Contract Rules - Japanese Yen Contract (pdf, 188KB)
A new contract is being added for listing on CX Futures Exchange, L.P.: the CX Japanese Yen Spot Index Digital Flex Swaps Contract. These Contract Rules became effective April 2, 2013.

Notice # 2013-5 (2013-03-13): CX New Contract Rules - Euro Contract (pdf, 186KB)
A new contract is being added for listing on CX Futures Exchange, L.P.: the CX Euro Spot Index Digital Flex Swaps Contract. These Contract Rules became effective April 2, 2013.

Notice # 2013-4 (2013-03-13): CX Clearinghouse Rule Change - Rule VII-3 (pdf, 117KB)
The Rules of CX Clearinghouse, L.P. are being amended to remove references to monies owed by one Participant to another, to clarify the intended operation of Rule VII-3. This rule amendment became effective March 28, 2013.

Notice # 2013-3 (2013-03-13): CX Clearinghouse Rule Change - Rule IV-7 (pdf, 123KB)
The Rules of CX Clearinghouse, L.P. are being amended to demonstrate the Clearinghouse's compliance with Commodity Futures Trading Commission (“CFTC”) Rule 39.14(c)(1). This rule amendment became effective March 28, 2013.

Notice # 2013-2 (2013-03-13): CX Clearinghouse Rule Change - Rule II-5 (pdf, 117KB)
The Rules of CX Clearinghouse, L.P. are being amended to remove the requirement that the Clearinghouse wait 30 days after a Participant fails to meet its margin requirements before taking action. This rule amendment became effective March 28, 2013.

Notice # 2013-1 (2013-03-13): CX Clearinghouse Rule Change - Rule IV-9 (pdf, 116KB)
The Rules of CX Clearinghouse, L.P. are being amended to remove "United States Treasury securities" from the list of types of assets that Participants may provide to meet their margin requirements, to clarify that Participants are only allowed to use cash on deposit at the Clearinghouse. This rule amendment became effective March 28, 2013.

Notice # 2012-7 (2012-10-01): CX Clearinghouse Rule Change - CCO (pdf, 122KB)
The Rules of CX Clearinghouse, L.P. are being amended to add Rule I-11, which establishes the position of Chief Compliance Officer at the Clearinghouse. This rule amendment became effective October 16, 2012.

Notice # 2012-6 (2012-10-01): CX Clearinghouse Rule Change - Guaranty Fund (pdf, 116KB)
The Rules of CX Clearinghouse, L.P. are being amended to remove letters of credit from the list of instruments or assets that may comprise the Clearinghouse’s guaranty fund, as listed in Rule III-1. This rule amendment became effective October 16, 2012.

Notice # 2012-5 (2012-10-01): CX Clearinghouse Rule Change - Non-Public Information (pdf, 120KB)
The Rules of CX Clearinghouse, L.P. are being amended to add Rule I-10, which outlines the proper and improper use of non-public information. This rule amendment became effective October 16, 2012.

Notice # 2012-4 (2012-10-01): CX Clearinghouse Rule Change - Conflicts of Interest (pdf, 129KB)
The Rules of CX Clearinghouse, L.P. are being amended to add Rule I-9, which outlines the Clearinghouse’s policy on what constitutes a conflict of interest and the process to mitigate such a conflict upon discovery. This rule amendment became effective October 16, 2012.

Notice # 2012-3 (2012-10-01): CX Clearinghouse Rule Change - Board Eligibility (pdf, 131KB)
The Rules of CX Clearinghouse, L.P. are being amended to add Rule I-8, which describes board eligibility. This rule amendment became effective October 16, 2012.

Notice # 2012-2 (2012-10-01): CX Clearinghouse Rule Change - Board Description (pdf, 119KB)
The Rules of CX Clearinghouse, L.P. are being amended to replace the description of the Clearinghouse’s Board of Directors in Rule I-6. This rule amendment became effective November 1, 2012.

Notice # 2012-1 (2012-10-01): CX Clearinghouse Rule Change - Definitions (pdf, 117KB)
The Rules of CX Clearinghouse, L.P. are being amended to add a definition for “Public Director” to the “Defined Terms,” which corresponds to the description of public directors in new Clearinghouse Rule I-8(b) (Board Eligibility). This rule amendment became effective October 16, 2012.

Notice # 2011-1 (2011-12-09): CX Clearinghouse Rule Change Submission (pdf, 2.1MB)
The Rules of CX Clearinghouse, L.P. are being amended to remove margin requirements that were specific to the clearing of the CX Domestic Box Office Receipts Contract, which has been excluded from the Commodity Exchange Act. It replaces the removed language with a provision of general applicability that provides that the original margin shall be as established by the Board of Directors. This rule amendment became effective December 27, 2011.

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