CME MDP 3.0 Market Data Security Definition Updates
Starting Thursday, June 25, CME Group will populate existing fields in the CME Market Data 3.0 Security Definition tag 35-MsgType=d messages. The following fields and markets will be impacted:
tag 1682-MDSecurityTradingStatus – Impacts listed derivatives, BrokerTec, and Update EBS on MDP UDP Incremental Security Definition messaging.
tag 37513-InstrumentGUID – Impacts listed derivatives on both MDP UDP Incremental and Instrument Replay Security Definition messaging.
Impacts listed derivatives on both MDP UDP Incremental and Instrument Replay Security Definition messaging.
Contents
Revision History
Date | Description |
|---|---|
Tuesday, July 7, 2026 | Updated the Production launch date for Channels 326, 327, 329, and 333. |
Monday, June 22, 2026 | Updated content for Security Status changes for Security Definition Fields. |
Thursday, June 18, 2026 | Updated the tag 1682-MDSecurityTradingStatus and tag 37513-InstrumentGUID descriptions. |
Wednesday, June 10, 2026 | Initial publication of this client impact assessment. |
Key Events and Dates
Date | Milestone |
|---|---|
Thursday, June 25, 2026 | New Release Phase 1 channels to receive populated fields. |
Thursday, July 9, 2026 | New Release Phase 2 channels to receive populated fields. |
Saturday, August 15, 2026 | Production Phase 3 channels to receive populated fields. |
Sunday, August 16, 2026 | Production Phase 4 channels to receive populated fields. |
Saturday, August 29, 2026 | Production Phase 5 channels to receive populated fields. |
Sunday, August 30, 2026 | Production Phase 6 channels to receive populated fields. |
Testing and Certification
Certification is not required for customer systems already certified to CME MDP 3.0 Market Data. However, testing is strongly recommended.
Security Definition Fields and Descriptions
The following table outlines the impacted markets and existing fields populated by MDP 3.0.
Security Status changes in the following scenarios will NOT result in a 35-MsgType=d message update:
MD Security Trading Status Group Level change.
MD Security Trading Status Instrument Level change due to Velocity Logic event.
Manual changes to trading status of instruments.
Tag | FIX Name | Type | Semantic Type | Valid Values | Market Impact | Description |
|---|---|---|---|---|---|---|
1682 | MDSecurityTradingStatus | SecurityTradingStatus | int |
| Listed derivatives, BrokerTec and EBS | Identifies the current state of the instrument. |
37513 | InstrumentGUID | uInt64NULL | int |
| Listed derivatives | External unique instrument ID |
Channel Launch Schedule
Below is the launch schedule for the New Release and Production channels impacted by this change.
CME MDP Conflated TCP Channels are impacted by these updates. Repo channels are out of scope for these updates.
New Release Launch Schedule
Channel Name | Channel Number | Launch Date |
|---|---|---|
CME Globex Equity Options - E-mini S&P 500 outrights | 311 | After 4 p.m. CT Thursday, June 25, 2026 |
CME Globex Interest Rate Options | 313 | |
CME Globex FX Futures | 314 | |
CME Globex Equity Futures - excludes E-mini S&P 500 | 318 | |
CME Globex Equity Options - excludes E-mini S&P 500 | 319 | |
CME Globex FX Options | 321 | |
CME Globex Equity Options - Micro E-mini S&P 500 and E-mini S&P 500 option spreads | 323 | |
CME Crypto Futures | 326 | |
CME Crypto Options | 327 | |
Event-based contracts | 329 | |
CME Globex FX Spot+ | 330 | |
CBOT Globex Equity Index Futures | 342 | |
CBOT Globex Equity Index Options | 343 | |
CBOT Globex Interest Rate Options | 345 | |
Eris Options | 350 | |
COMEX Globex Options | 361 | |
NYMEX Globex Emissions Options | 381 | |
NYMEX Globex Crude & Crude Refined Options | 383 | |
NYMEX Globex Metals, Softs, and Alternative Market Options | 385 | |
NYMEX Globex Nat Gas & other Non-Crude Energy Options | 387 | |
GME Globex Options | 441 | |
CME Globex Equity Futures - E-mini S&P 500 futures | 310 | After 4 p.m. CT Thursday, July 9, 2026 |
CME Globex Interest Rate Futures | 312 | |
CME Globex Commodity Futures | 316 | |
CME Globex Commodity Options | 317 | |
Single Stock Futures | 324 | |
Event Contracts II | 333 | |
CBOT Globex Commodity Futures | 340 | |
CBOT Globex Commodity Options | 341 | |
CBOT Globex Interest Rate Futures | 344 | |
CBOT Globex Interest Rate Futures II | 348 | |
COMEX Globex Futures | 360 | |
NYMEX Globex Emissions Futures | 380 | |
NYMEX Globex Crude & Crude Refined Futures | 382 | |
NYMEX Globex Metals, Softs, & Alternative Market Futures | 384 | |
NYMEX Globex Nat Gas & other Non-Crude Energy Futures | 386 | |
BMD Globex Futures | 430 | |
BMD Globex Options | 431 | |
GME Globex Futures | 440 | |
US Actives CME MDP Premium | 490 | |
BrokerTec U.S. Actives - CME MDP Conflated UDP | 500 | |
BrokerTec U.S. Actives - CME MDP Conflated TCP | 510 | |
BrokerTec EGBs CME MDP Premium | 492 | |
BrokerTec EGBs CME MDP Conflated UDP | 502 | |
BrokerTec EGBs CME MDP Conflated TCP | 511 | |
BrokerTec Chicago | 504 | |
BrokerTec Chicago CME MDP Conflated UDP | 505 | |
BrokerTec Chicago CME MDP Conflated TCP | 506 | |
EBS Market New York - CME MDP 1 Millisecond Conflated UDP | 518 | |
EBS Ultra New York - CME MDP 5 Millisecond Conflated UDP | 528 | |
EBS Credit Screened New York - CME MDP 20 Millisecond Conflated TCP | 532 | |
EBS Ultra New York - CME MDP 20 Millisecond Conflated TCP | 545 | |
EBS Ultra London - CME MDP 5 Millisecond Conflated UDP | 529 | |
EBS Credit Screened London - CME MDP 20 Millisecond Conflated TCP | 533 | |
EBS Ultra London Russian Ruble - CME MDP 5 Millisecond Conflated TCP | 538 | |
EBS Ultra London - CME MDP 20 Millisecond Conflated TCP | 546 | |
EBS Ultra London - CME MDP 1 Millisecond Conflated UDP | 519 | |
EBS Ultra OFF SEF NDF London - CME MDP 5 Millisecond Conflated UDP | 520 | |
EBS Ultra OFF SEF NDF London - CME MDP 5 Millisecond Conflated UDP | 521 | |
EBS Ultra OFF SEF NDF London - CME MDP 1 Millisecond Conflated UDP | 530 | |
EBS Ultra OFF SEF NDF London - CME MDP 100 Millisecond Conflated UDP | 531 | |
EBS Credit Screened MTF NDF London - CME MDP 20 Millisecond Conflated TCP | 534 | |
EBS Credit Screened MTF NDF London - CME MDP 50 Millisecond Conflated TCP | 535 |
Production Launch Schedule
Channel Name | Channel Number | Launch Date |
|---|---|---|
CME Crypto Futures | 326 | Saturday, August 15, 2026 |
CME Crypto Options | 327 | |
Event-based contracts | 329 | |
CME Globex Equity Options - E-mini S&P 500 outrights | 311 | Sunday, August 16, 2026 |
CME Globex Interest Rate Options | 313 | |
CME Globex FX Futures | 314 | |
CME Globex Equity Futures - excludes E-mini S&P 500 | 318 | |
CME Globex Equity Options - excludes E-mini S&P 500 | 319 | |
CME Globex FX Options | 321 | |
CME Globex Equity Options - Micro E-mini S&P 500 and E-mini S&P 500 option spreads | 323 | |
CME Globex FX Spot+ | 330 | |
CBOT Globex Equity Index Futures | 342 | |
CBOT Globex Equity Index Options | 343 | |
CBOT Globex Interest Rate Options | 345 | |
Eris Options | 350 | |
COMEX Globex Options | 361 | |
NYMEX Globex Emissions Options | 381 | |
NYMEX Globex Crude & Crude Refined Options | 383 | |
NYMEX Globex Metals, Softs, and Alternative Market Options | 385 | |
NYMEX Globex Nat Gas & other Non-Crude Energy Options | 387 | |
GME Globex Options | 441 | |
Event Contracts II | 333 | Saturday, August 29, 2026 |
CME Globex Equity Futures - E-mini S&P 500 futures | 310 | Sunday, August 30, 2026 |
CME Globex Interest Rate Futures | 312 | |
CME Globex Commodity Futures | 316 | |
CME Globex Commodity Options | 317 | |
Single Stock Futures | 324 | |
CBOT Globex Commodity Futures | 340 | |
CBOT Globex Commodity Options | 341 | |
CBOT Globex Interest Rate Futures | 344 | |
CBOT Globex Interest Rate Futures II | 348 | |
COMEX Globex Futures | 360 | |
NYMEX Globex Emissions Futures | 380 | |
NYMEX Globex Crude & Crude Refined Futures | 382 | |
NYMEX Globex Metals, Softs, & Alternative Market Futures | 384 | |
NYMEX Globex Nat Gas & other Non-Crude Energy Futures | 386 | |
BMD Globex Futures | 430 |