Eh. This is microsofts strongest month in their strongest territory and they have all this momentum from the xb1s. They basically just hit a wall running, now that the Pro is out. The paradigm will return back to normal at the very least until Scorpio comes out moving forward. What are you gonna say when ps4 takes the next 9+ NPDs in a row?
Xbox took 4 of the last 5. PS4 only won November because of pro launch. Xbox should be able to take at least some months.
Halo MCC will sell 5+ million copies(including digital)
halo 5 will sell 10 million copies(including digital)
x1 will pass ps4 in USA, and UK.