Wednesday, November 22: CBOE interest rate option products will close at 12:00 Noon CST. Regular trading hours will be observed for all other CBOE products.
Thursday, November 23: CBOE will be closed.
Friday, November 24: CBOE interest rate products will close at 12:00 Noon CST. All stock option trading will close at 12:02 p.m. CST. Index products and the OEF will close at 12:15 p.m. CST.
All noted times are Chicago time.