I forgot to indicate that the only Telus supplied hardware I am using is the Alcatel fiber modem; no extender and no Telus supplied router (I'm using an Asus router instead).
I am having the same experience (150 fiber, hard-wired machines, SamKnows participant, mid November drop in reported speed). I have also power cycled all devices with no improvement. Tech support at SamKnows is working with me to troubleshoot, but so...