Constellation Energyvs.Vistra
CEG vs VST · both in Utilities & power producers, part of the Energy, grid & critical infrastructure value chain: Electricity utilities and large power producers, from nuclear to renewable portfolios.
Constellation Energy is about 1.9× larger than Vistra by market cap; Vistra trades at the lower P/E (23.8 vs 29.1); year to date, Vistra leads (+3.3% vs −15.2%).
Side by side
| CEG | VST | |
|---|---|---|
| Market cap | $101B | $52.8B |
| Price | $285.07 | $156.14 |
| Today | −4.8% | −6.3% |
| Return YTD | −15.2% | +3.3% |
| Return 1Y | −16.4% | −16.5% |
| Since June 26, 2026 | +8.0% | −4.5% |
| P/E | 29.1 | 23.8 |
| P/S | 3.2 | 2.8 |
| P/B | 3.2 | 9.6 |
Data as of 2026-10-08 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
The two companies
Constellation EnergyCEG
No US company generates more nuclear power. Its carbon-free baseload increasingly goes to data centre operators on long-term contracts, the clearest case being Microsoft's deal to restart Three Mile Island.
Full CEG profile →VistraVST
Owns gas and nuclear generation alongside battery storage, and sells electricity to retail customers. Rising consumption from data centres is the demand it is exposed to.
Full VST profile →More CEG & VST comparisons
Other head-to-heads in the Utilities & power producers segment.