Supply channels told that production of GP106 chips stopped back in October and Nvidia now ship very last of stock they have.
In few days new RTX 2060 and GTX 1160 Ti will be announced and shipping will start around February. It is expected to be good price hike with future GTX 1150 Ti 4GB taking price range of current GTX 1060 6GB having same or slightly lower performance, and new cards being positioned much higher.
GTX 1070 and 1070 Ti also will become very rare soon.
It looks like you're new here. If you want to get involved, click one of these buttons!