Is there a word which means that ownership rotates or moves around a known set of options? For example, the Olympics is host by a different nation each time, or it is ?.

The only thing I can think of is something derived from "round-robin" which is a way of rotating ownership of tasks for scheduling in Computer Science, but I don't think that is a universally understood term.

Is there a word which means that ownership rotates or moves around a known set of options? For example, the Olympics are hosted by a different nation each time, so they are [word I am looking for].

The only thing I can think of is something derived from "round-robin", which is a way of rotating ownership of tasks for scheduling in Computer Science, but I don't think that is a universally understood term.