Some older CS2 collections seem to have vanished and prices went up a lot. I’m wondering how to figure out which collections are no longer in rotation or available in-game. Is there a resource that keeps track of that?

Discontinued collections are where some of the biggest profit margins in CS2 trading happen. I use to track which collections are no longer active. They label each collection clearly, including whether it was tied to an operation, if it still drops, or if it’s completely retired. That info makes a huge difference when evaluating if a skin is going to go up in value over time. For example, I had no idea that the Cobblestone Collection had become so rare until I looked into it there. Once I saw it was out of the drop pool, I knew the prices would just keep climbing. If you’re collecting or investing long-term, keeping up with discontinued content is key.