Over the weekend, Imperial Vienna dropped from mid/high 70k to low 60k even as low as mid/high 50k for dates in September, i.e. comparable to or lower than Bristol. They seem to have gone back up. I scored for my primary dates (a net discount of 34k points from the original booked 151k) but dawdled too long to secure them for alternate dates; my itinerary is still WIP.

I think there were also properties in Prague (Courtyard?) that may have also dropped albeit even more briefly during the above period, say 33-34k to 25-27k.

What I'd like to know is how are these movements distinct from "official" Pointsavers discounts?