What is GDPNow?

GDPNow is a running estimate, or "nowcast," of real GDP growth for the current quarter, produced by the Federal Reserve Bank of Atlanta. Unlike traditional economic forecasts that rely on subjective judgment, GDPNow is a purely mechanical model that updates automatically each time a new relevant economic data point is released, providing a transparent, high-frequency read on the economy's trajectory.

The model aggregates data from numerous economic releases, including personal consumption, private investment, trade, government spending, and inventory data, mapping each component to its corresponding contribution to GDP. When a new retail sales report is published, for example, GDPNow updates its consumption estimate within hours. This real-time responsiveness makes it a valuable tool during the quarter when official GDP data is not yet available.

GDPNow's accuracy improves as the quarter progresses and more data becomes available. Early in the quarter, the estimate may be volatile and imprecise because it is based on limited data. By the final weeks of the quarter, it typically converges close to the Bureau of Economic Analysis's advance GDP estimate. The Atlanta Fed publishes a full tracking history for each quarter, showing how the estimate evolved over time.

It is important to understand what GDPNow is not. It is not a forecast of future GDP growth. It is not adjusted for the model's track record. And it does not incorporate any judgment about economic conditions, monetary policy, or financial market signals. It is a pure data-driven tabulation of what incoming data implies about the current quarter.

Financial markets have increasingly adopted GDPNow as a reference point, and significant revisions in the estimate after major data releases can move bonds and equities. For example, a sharp upward revision in GDPNow after a strong retail sales report might push Treasury yields higher as markets anticipate sustained economic strength and hawkish Fed policy. Traders use it as a real-time scorecard for the growth picture.