Effective Sunday, May 6 (trade date Monday, May 7), clearing Firm Risk Administrators may permission CME ClearPort accounts for submission of Basis Trade at Cash Open (TACO) transactions for the E-mini Standard & Poor’s 500 Stock Price Index Futures contracts using the TACOS (ClearPort) market type.
Effective Sunday, May 13 (trade date Monday, May 14), and pending all relevant CFTC regulatory review periods, Chicago Mercantile Exchange Inc. (“CME” or “Exchange”) will permit TACO transactions for trading on CME Globex and for submission for clearing via CME ClearPort for the E-mini Standard & Poor’s 500 Stock Price Index Futures contract (CME Globex/CME ClearPort Code: ES; TACO Code: ESQ).
For a more detailed explanation of TACO transactions, please reference the CME Globex Notice and Special Executive Report (SER).
The change will be available for customer testing in New Release on Monday, April 30.