Depends. All the lower nm fabrication GPUs/CPUs have been in short supply since last August or so. Generally, 3-4 months after launch you will see a more stable supply.
Using an alert website like
https://www.nowinstock.net/ca/ might help, but not always.
https://www.nowinstock.net/ca/comput...rds/amd/rx480/
http://www.nowinstock.net/ca/compute...vidia/gtx1060/
Note that they don't list stock for MemEx or Canada Computers for some reason.