Atlanta Fed GDPnow (Q3): 6.2% (prev. 5.0%)

GDPNow is a model nowcast, not an official print: it mechanically aggregates released inputs and reprices with each data round, so a step-up of this size is best read as confirmation that recent activity data, typically consumption, trade, and inventories, have come in firm rather than as new information in itself. Its track record historically shows early-quarter readings running hot and drifting down as the quarter matures, a pattern worth keeping in mind when the update lands this far above trend. The established transmission runs through the front end and the dollar: sustained nowcast strength steepens the expected path of policy restraint, feeding the two-year yield and broad dollar via rate differentials, though the effect of a single revision tends to fade unless corroborated by hard releases. The distinction that matters is between revisions driven by consumption, which the Fed reads as demand-side persistence, and those driven by inventories or net trade, which are mechanically noisy and historically discounted. The follow-ons are the remaining monthly activity prints feeding the model and whether Fed commentary begins to lean on upside growth risk, since that is what converts a strong nowcast into a repricing of the terminal rate rather than a transient move.