PairBook
HomeTLN › TLN vs VST

TLN vs VST: Correlation

How closely do Talen Energy Corporation (TLN) and Vistra Corp. (VST) trade together? Their weekly returns over three years give a correlation of 0.70, which is strong.

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

Correlation (3Y)
0.70
strong
Correlation (1Y)
0.69
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
1755.7
%² · weekly, annualized

How correlated are TLN and VST?

Across a 3-year window, the weekly returns of TLN and VST correlate at 0.70, strong. Recent behaviour matches the longer record: 0.69 over 1 year against 0.70 over 3. Stretching to 5 years gives n/a, with an annualized covariance of 1755.7 %².

Few assets follow TLN as closely as VST, which ranks #1 of 12 tracked partners. The trailing year gives TLN the advantage: -20.2% versus -27.8%, a 7.6-point spread.

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.

TLN vs VST: side by side

TLN (Talen Energy Corporation)VST (Vistra Corp.)
1-year return-20.2%-27.8%
5-year returnn/a+713.7%
Volatility (ann.)47.4%52.8%
Beta vs S&P 5001.391.62
Max drawdown (3Y)-33.8%-48.8%
Market cap$14.6B$46.9B
P/E (trailing)23.6
Dividend yield0.00%0.65%
Sector / categoryUS ListedUtilities
Higher yield: VST 0.65% vs 0.00%Smaller drawdown: TLN -33.8% vs -48.8%
-27%0%+13%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. TLN · VST

Year-by-year returns

YearTLNVST
2022+5.1%
2023+70.7%
2024+214.8%+261.5%
2025+86.1%+17.7%
2026-18.7%-13.1%

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

Are TLN and VST good diversifiers for each other?

To a limited degree. At 0.70 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between TLN and VST?

As of 2026-08-27, the correlation of weekly returns between TLN and VST is 0.70 over 3 years, 0.69 over 1 year and n/a over 5 years.

Is VST a good diversifier for TLN?

To a limited degree. At 0.70 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.70 mean?

On the −1 to +1 scale, 0.70 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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

TLN vs VST: 3-year weekly correlation 0.70TLN vs VST0.70

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

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

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

Related comparisons

Hubs: TLN correlations · VST correlations