Atlanta Fed GDPnow (Q3): 3.6% (prev. 3.6%)

An unchanged nowcast at this stage of the quarter is itself information: as the calendar fills in, revisions to these models tend to shrink, so a flat print late in the estimation window signals that recent inputs have been neutral rather than that growth has stalled. GDPNow is a tracking estimate, not a data point, and it has historically diverged from rival nowcasts and from the official advance print; the spread between trackers has often mattered as much as the level, since convergence toward quarter-end tends to be the cleaner read on momentum. The transmission to rates runs through the front end and the belly only when the growth signal moves the perceived reaction function; an in-line update of this kind has typically left pricing untouched, with sensitivity concentrated instead in surprises to the underlying high-frequency releases that feed the model, consumption and net exports chief among them. What carries weight next is the direction of subsequent revisions and how the estimate sits against the consensus for the official print, since a wide gap invites repositioning into the release itself. The model's record is reasonable at this horizon but it has missed on inventory and trade swings before, and those components remain the usual source of late-quarter error.