The Switch outsold the PlayStation 4 in October by 86,360 units for the month and the Xbox One by 154,111 units. The PlayStation 4 outsold the Xbox One by 67,751 units.
When you compare monthly sales to a year ago the PlayStation 4 and Xbox One are down. The PlayStation 4 is down 32,362 units and the Xbox One is down 201,228 units.
Looking at market share for the month, the Switch managed to achieve 46 percent. The PlayStation 4 accounted for 32 percent of the consoles sold, and the Xbox One 22 percent.