When you compare monthly sales to a year ago the PlayStation 4 is up and the Xbox One is down. the PlayStation 4 is up 102,649 units and the Xbox One is down 181 units.
The Switch outsold the PlayStation 4 by 66,431 units.
Looking at market share for the month, the Switch managed to achieve 58 percent. The PlayStation 4 accounted for 42 percent of the consoles sold, and the Xbox One less than one percent.
PlayStation 4 Monthly Sales: 185,752
Switch Monthly Sales: 252,183
Xbox One Monthly Sales: 435