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
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 return | n/a | +713.7% |
| Volatility (ann.) | 47.4% | 52.8% |
| Beta vs S&P 500 | 1.39 | 1.62 |
| Max drawdown (3Y) | -33.8% | -48.8% |
| Market cap | $14.6B | $46.9B |
| P/E (trailing) | – | 23.6 |
| Dividend yield | 0.00% | 0.65% |
| Sector / category | US Listed | Utilities |
Year-by-year returns
| Year | TLN | VST |
|---|---|---|
| 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
$ curl https://www.pairbook.io/api/v1/pairs/tln-vs-vst.json
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Related comparisons
Hubs: TLN correlations · VST correlations