Constellation Energy stock today: CEG slips in thin year-end trade as Calpine deal stays in focus

Constellation Energy Corp shares slipped 0.6% on Monday, ending at $358.33 as trading volumes thinned in the final week of the year.

Energy Sector
Mergers & Acquisitions
NASDAQ:CEG
NYSE:CPN
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Constellation Energy (CEG) Stock Today: Calpine Deal Nears Close as Nuclear Data‑Center Contracts Shape 2026 Outlook (Dec. 15, 2025)

Constellation Energy Corporation is back in focus on December 15, 2025 as investors digest a busy stretch of deal news, federal support for nuclear restarts, and continued momentum behind “24/7 carbon‑free” power contracts tied to the AI data‑center buildout.

15 December 2025

Data Centers·NASDAQ:CEG·NYSE:CPN·Stock Market