The chart above reflects the results of the latest ABC News / Washington Post Poll -- done between October 27th and 30th of 452 Democrats/Leaners with a 5.5 point margin of error.
The chart above reflects the results of the latest Fox News Poll -- done between October 27th and 30th of 471 Democratic primary voters, with a 4.5 point margin of error.
It's still looking like a three-person race (Biden, Warren, Sanders), or four-person (if Buttigieg can gain a bit more support).