Thursday, July 3:
CBOE interest rate option products will close at 12:00 Noon.
Stock option trading will close at 12:02 p.m.
Index options and other products that normally close at 3:15 p.m., such as SPX, OEX, DJX, DIA, NDX and QQQ, will close at 12:15 p.m.
Friday, July 4: CBOE will be closed.