RE:RE:TT is pretty well flat! It seems he sold this weekI believe your assessment is correct. To be eligible to claim the loss, one has to wait 30 days to buy back the stock.
Here's an article I found which may help explain: https://retirehappy.ca/what-is-tax-loss-selling/#
This has been a painful ride but I'm optimistic brighter days lay ahead for us patient holders.