fav/unfav % among all voters:
Warren 39/41% for -2%
Buttigieg 31/34% for -3%
Booker 32/37% for -5%
Sanders 40/45% for -5%
Bennet 15/22% for -7%
Yang 27/34% for -7%
Klobuchar 25/33% for -8%
Bullock 13/22% for -9%
Biden 37/47% for -10%
Messam 8/18% for -10%
Steyer 18/28% for -10%
Weld 12/22% for -10%
Trump 42/52% for -10%
Gabbard 23/34% for -11%
Castro 25/37% for -12%
Delaney 13/25% for -12%
Ryan 16/28% for -12%
Sestak 9/21% for -12%
Harris 30/43% for -13%
O’Rourke 28/41% for -13%
Walsh 11/28% for -17%
Sanford 11/29% for -18%
Williamson 13/33% for -20%
Seems like polls are in disagreement about Warren's favorbility. Either she has the best net favourables of the top three or the worst.