Switch is doing very well and will be up by a lot, the other two will obviously be down; but that's a given at this point in their lifecycles even if people said otherwise at the beginning of the year (regarding PS4).
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