It's hard to predict Switch's performance due to supply (we know outside of ARMS week the rest was pretty meh), but I'm confident PS4 will be able to win this month.
[XB1]150k
[PS4]280k
[NSW]230k
[3DS] 60k
[WiU]8k
Bet with Teeqoz for 2 weeks of avatar and sig control that Super Mario Odyssey would ship more than 7m on its first 2 months. The game shipped 9.07m, so I won