Strange ORS/Product Rating behaviour

Hi all

Checking my routes in the ORS on the new domination server I was surprised about a change in the ORS rating. The same flight on Tuesday gets a 13 points lower rating than the one on Monday. This with same price, service profile and so on. The daily maintenance is always on the same time, therefore this shouldn’t be a topic.

Below you find the flight rating of both flights. The only visible difference is the “product overall” and “price performance ratio” of the actual values checked in part.
Has someone an idea where this variance is coming from, considering that nothing changed between the flights?