User blog comment:Hitsuji Mamoru/Monthly All-Out Speculation Topics Schedule Blog/@comment-28137023-20170113075911/@comment-4802891-20170113080231

Weekly maybe? It's true that we can let it open as long as we want, so starting it each week wouldn't be that bad.

A definite schedule is better to avoid "crowding" the wiki (private messages are already doing that). It's more organized that way in my opinion.