As Q is "dying" during the season 2 finale, he says this: "I am moving on.

Source: https://screenrant.com/star-trek-legacy-picard-q-alive-how/

Q is stepping into a crowded AI chatbot arena at a slightly lower price than competitors.

Source: https://qz.com/emails/daily-brief/1851063801/ai-in-focus-q-from-a

The Q is expected to reopen sometime this winter.

Source: https://www.denver7.com/news/club-q-shooting/craziest-year-of-my-life-only-surviving-bartender-from-club-q-mass-shooting-reflects-on-past-12-months

Yeah, so for Q2, we had, as you'll see, when our Q is filed, we had three 10% end customers.

Source: https://seekingalpha.com/article/4655054-credo-technology-group-holding-ltd-crdo-q2-2024-earnings-call-transcript?source=feed_all_articles

Yet Q is a trickster, not entirely evil, and sometimes his schemes are designed to teach a lesson–and his appearance here is no different, giving Sisko insight into his crew and what he will need to break through to them.

Source: https://screenrant.com/star-trek-captain-sisko-q-punch-deep-space-nine/