Friday, May 23:
Open auction: Financial* contracts close at 12:00 noon. All other open auction contracts (Agricultural and Stock Index) close at their normal times.
Electronic a/c/e trading: Financial*, Metals and Dow/AIG Indexsm contracts close at 12:30 p.m. All other a/c/e trading closes at normal times.
Sunday, May 25:
Electronic a/c/e trading: Overnight trading closed.
Monday, May 26:
Open auction: Daytime trading closed.
Electronic a/c/e trading: Daytime trading closed. a/c/e reopens at normal evening times.
*Financial contracts are Treasury Bond, Treasury Note, Interest Rate Swap, 30 Day Fed Funds and Agency Note futures and options, Municipal Note Index and Eurodollar futures.