This Thursday is Christmas Day, an exchange holiday. There will be no trading at CBOE, C2 and the CFE.
Wednesday December 24th is a shortened trading schedule. On CBOE and C2, options on stocks (equities), Indexes and ETF’s that normally cease trading at 3:00pm Central time will close at 12:00pm noon. ETF’s and Indexes that normally close at 3:15 CT will close at 12:15pm.
CBOE and C2 will have regular trading hours in all products Friday December 26th.