A mention market has a completely known risk schedule: nothing can resolve it until the speech starts, and then it can resolve in a single second. That makes the quoting posture unusually clean — quote both sides through the days beforehand, when the only movement is speculation, and go entirely flat the moment the audio begins. Quoting live during a speech means being picked off by whoever has the faster feed, which is a race you will not win.
Markets on Polymarket where speech-window quoting is the natural play: