KBR vs PSN: Correlation
How closely do KBR, Inc. (KBR) and Parsons Corporation (PSN) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KBR and PSN?
Over the past 3 years, KBR and PSN moved with a correlation of 0.42, which is moderate. Recent behaviour matches the longer record: 0.35 over 1 year against 0.42 over 3. Over 5 years the correlation is 0.48, and the annualized covariance of weekly returns is 498.2 %².
Within KBR's tracked universe of 20 assets, PSN comes in at #11 by 3-year correlation. On 12-month performance KBR holds a 13.9-point edge, -24.8% against -38.7%.
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.
KBR vs PSN: side by side
| KBR (KBR, Inc.) | PSN (Parsons Corporation) | |
|---|---|---|
| 1-year return | -24.8% | -38.7% |
| 5-year return | +4.0% | +38.4% |
| Volatility (ann.) | 29.9% | 39.4% |
| Beta vs S&P 500 | 0.62 | 0.82 |
| Max drawdown (3Y) | -57.4% | -64.4% |
| Market cap | $4.8B | $5.3B |
| P/E (trailing) | 11.5 | 34.0 |
| Dividend yield | 1.74% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KBR | PSN |
|---|---|---|
| 2022 | +11.9% | +37.4% |
| 2023 | +5.9% | +35.6% |
| 2024 | +5.6% | +47.1% |
| 2025 | -29.7% | -33.0% |
| 2026 | -4.1% | -20.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KBR and PSN good diversifiers for each other?
Reasonably. At 0.42, KBR and PSN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between KBR and PSN?
The KBR/PSN correlation stands at 0.42 on a 3-year window (1 year: 0.35, 5 years: 0.48), computed from weekly returns as of 2026-08-27.
Is PSN a good diversifier for KBR?
Reasonably. At 0.42, KBR and PSN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.42 mean?
On the −1 to +1 scale, 0.42 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/kbr-vs-psn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/kbr-vs-psn/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: KBR correlations · PSN correlations
