Atlanta Fed GDPnow (Q3): 5.9% (prev. 6.2%)

The GDPNow print is a model nowcast rather than an official release: it is mechanically updated from incoming data by the Atlanta Fed, and its early-quarter readings have historically been revised down as the quarter fills in, with the estimate converging on the advance GDP print only late in the quarter. A modest down-revision from an already elevated level fits the familiar pattern of consumer and inventory contributions fading as harder data arrive; the distinction worth drawing is between a nowcast drifting lower on retail and trade inputs versus one falling on investment or government components, since the former maps more directly into consumption-driven rate expectations. Market sensitivity to GDPNow is typically confined to the front end and is short-lived, because officials themselves have repeatedly stressed the gap between nowcasts and realised growth, and the model has overshot to the upside in past high-growth episodes. What matters for follow-through is whether the downgrades cluster around a particular component and whether the next consumption and trade prints confirm the drift; a persistent slide tends to filter into the growth premium embedded in longer yields only if it aligns with softening survey and labour data. As a single model update, this is directional colour rather than a signal.