KBR vs TTEK: Correlation
KBR, Inc. (KBR) and Tetra Tech, Inc. (TTEK) show a moderate relationship: their 3-year correlation of weekly returns is 0.48.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KBR and TTEK?
On 3 years of weekly data the KBR/TTEK correlation comes out at 0.48, moderate. Recent behaviour matches the longer record: 0.51 over 1 year against 0.48 over 3. The 5-year figure is 0.46, and annualized covariance runs at 437.6 %².
By 3-year correlation, TTEK places #9 of the 20 assets tracked against KBR. Their recent paths diverged sharply: over the last 12 months TTEK outperformed by 24.7 percentage points (-24.8% for KBR against -0.1% for TTEK).
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 TTEK: side by side
| KBR (KBR, Inc.) | TTEK (Tetra Tech, Inc.) | |
|---|---|---|
| 1-year return | -24.8% | -0.1% |
| 5-year return | +4.0% | +32.3% |
| Volatility (ann.) | 29.9% | 30.3% |
| Beta vs S&P 500 | 0.62 | 0.54 |
| Max drawdown (3Y) | -57.4% | -47.5% |
| Market cap | $4.8B | $9.4B |
| P/E (trailing) | 11.5 | 22.1 |
| Dividend yield | 1.74% | 0.73% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KBR | TTEK |
|---|---|---|
| 2022 | +11.9% | -14.0% |
| 2023 | +5.9% | +15.7% |
| 2024 | +5.6% | +20.0% |
| 2025 | -29.7% | -15.2% |
| 2026 | -4.1% | +9.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KBR and TTEK good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between KBR and TTEK?
The KBR/TTEK correlation stands at 0.48 on a 3-year window (1 year: 0.51, 5 years: 0.46), computed from weekly returns as of 2026-08-27.
Is TTEK a good diversifier for KBR?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.48 mean?
A reading of 0.48 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
$ curl https://www.pairbook.io/api/v1/pairs/kbr-vs-ttek.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/kbr-vs-ttek/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: KBR correlations · TTEK correlations
