I saw an article yesterday that said all of the advanced metrics say that the Bucks have been performing significantly better than their record, and given their +/- numbers right now, there have been 4 teams in the past 4 seasons that have finished with a +3.3 net rating (what the Bucks have right now), and their records were:

Hornets (2015-16) - 48-34
Bulls (2014-15) - 50-32
Suns (2013-14) - 48-34
Rockets (2012-13) - 47-35

The article also pointed to some teams that historically had + net ratings but their record didn't reflect it in the early season, but said that in all cases the teams tended to revert to the mean, which means the Bucks should, if they continue to play at this pace, begin to get north of .500