Between policy meetings, rate expectations get moved by scheduled speeches from voting members, and those appearances are published weeks ahead. Individual officials have consistent, measurable leanings, so a week loaded with hawkish speakers tends to drift expectations one way regardless of content. You build a speaker-weighted calendar, position ahead of clusters, and monitor the wires during each appearance for the specific phrases that historically moved pricing.
Markets on Polymarket where central-bank speaker calendar drift is the natural play: