W&T Offshore is trading 6.2% lower at $3.70 in pre-market on October 21, with no clear overnight company-specific catalyst identified. - The October 20 announcement set the Q3 earnings release for October 29 and the call for October 30. - Oil prices were reported rising amid Middle East supply concerns, which does not clearly explain the decline. - U.S. index futures were mixed, with no matching broad-market explanation evident.