(The Center Square) – One day after a 15-point poll edge, Democrat Roy Cooper was back to a 5.9% lead in a poll examining his U.S. Senate race against Republican Michael Whatley.

Voters have been casting ballots since Sept. 4. InsiderAdvantage polls Cooper ahead of Whatley 48.4%-42.5% in a sampling of 1,200 likely voters taken Wednesday and Thursday, with a release on Friday. There is a +/- 2.8% margin of error.

Originally published on thecentersquare.com, part of the BLOX Digital Content Exchange.