PairBook
HomeCEG › CEG vs VST

CEG vs VST: Correlation

Constellation Energy (CEG) and Vistra Corp. (VST) show a strong relationship: their 3-year correlation of weekly returns is 0.75.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.75
strong
Correlation (1Y)
0.70
last 12 months
Correlation (5Y)
0.68
long-run
Ann. covariance
2057.7
%² · weekly, annualized

How correlated are CEG and VST?

Across a 3-year window, the weekly returns of CEG and VST correlate at 0.75, strong. Little has changed lately, as the 1-year reading of 0.70 lands near the 3-year figure. Stretching to 5 years gives 0.68, with an annualized covariance of 2057.7 %².

In CEG's tracked universe of 32 assets, VST sits right near the top at #1. The last year tells two different stories: CEG led by 17.7 percentage points, -10.1% for CEG against -27.8% for VST. This link changes with the market regime, having swung between 0.15 and 0.82 on a rolling one-year basis.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

CEG vs VST: side by side

CEG (Constellation Energy)VST (Vistra Corp.)
1-year return-10.1%-27.8%
5-year return+598.5%+713.7%
Volatility (ann.)52.1%52.8%
Beta vs S&P 5001.421.62
Max drawdown (3Y)-50.7%-48.8%
Market cap$100.1B$46.9B
P/E (trailing)27.323.6
Dividend yield0.58%0.65%
Sector / categoryUtilitiesUtilities
Lower P/E: VST 23.6 vs 27.3Higher yield: VST 0.65% vs 0.58%Smaller drawdown: VST -48.8% vs -50.7%Higher 5y return: VST +713.7% vs +598.5%
-27%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. CEG · VST

Year-by-year returns

YearCEGVST
2022+5.1%
2023+37.2%+70.7%
2024+92.7%+261.5%
2025+58.8%+17.7%
2026-19.7%-13.1%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are CEG and VST good diversifiers for each other?

Only partially. A correlation of 0.75 means CEG and VST share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between CEG and VST?

As of 2026-08-27, the correlation of weekly returns between CEG and VST is 0.75 over 3 years, 0.70 over 1 year and 0.68 over 5 years.

Is VST a good diversifier for CEG?

Only partially. A correlation of 0.75 means CEG and VST share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.75 mean?

A reading of 0.75 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ceg-vs-vst.json

CEG vs VST: 3-year weekly correlation 0.75CEG vs VST0.75

Embed this badge (it refreshes with the data), with attribution:

[![CEG vs VST correlation](https://www.pairbook.io/api/v1/badge/ceg-vs-vst.svg)](https://www.pairbook.io/pair/ceg-vs-vst/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: CEG correlations · VST correlations