No.... Matket is open for business on Monday.
Dow Jones-UBS Commodity Index Holiday Schedule
2011 2012
January 17, 2011 Monday January 2, 2012 Monday
February 21, 2011 Monday January 16, 2012 Monday
April 22, 2011 Friday February 20, 2012 Monday
May 30, 2011 Monday April 6, 2012 Friday
July 4, 2011 Monday May 28, 2012 Monday
September 5, 2011 Monday July 4, 2012 Wednesday
November 24, 2011 Thursday September 3, 2012 Monday
December 26, 2011 Monday November 22, 2012 Thursday
December 25, 2012 Tuesday