Switch fit adventures keeps creeping up the charts, at this very competitive time of year and with lots of price cuts/promotions. My guess is that it's going to have a very good holidays, at least in the U.S. and Japan.
I think it's sales are largely dependent on the stocks that Nintendo has to offer right now, especially so in Japan.
The Nintendo eShop rating Thread: http://gamrconnect.vgchartz.com/thread.php?id=237454
The Steam/GOG key gifting thread: https://gamrconnect.vgchartz.com/thread/242024/the-steamgog-key-gifting-thread/1/