Two thumbs up:
Of course, it means all of my back-testing (as related to open/close) is meaningless again...
Beginning, May 13 for trade date May 14, customers will have expanded access to CBOT corn, soybeans, wheat, soybean meal and soybean oil futures and options on CME Globex as follows:
Sunday to Monday, 5:00 p.m. to 4:00 p.m. CT
Monday to Friday, 6:00 p.m. to 4:00 p.m. CT.
Open-outcry trading hours will continue to operate from 9:30 a.m. to 1:15 p.m. CT Monday to Friday.