J vs TTEK: Correlation
Measured on weekly returns over the past three years, Jacobs Solutions (J) and Tetra Tech, Inc. (TTEK) carry a correlation of 0.46, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are J and TTEK?
On 3 years of weekly data the J/TTEK correlation comes out at 0.46, moderate. The link has tightened recently: the 1-year correlation (0.70) runs above the 3-year figure (0.46). The 5-year figure is 0.49, and annualized covariance runs at 358.3 %².
Among the 34 assets we track against J, TTEK ranks #16 by 3-year correlation. Twelve-month performance is nearly a tie, at +2.6% for J and -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.
J vs TTEK: side by side
| J (Jacobs Solutions) | TTEK (Tetra Tech, Inc.) | |
|---|---|---|
| 1-year return | +2.6% | -0.1% |
| 5-year return | +40.5% | +32.3% |
| Volatility (ann.) | 25.7% | 30.3% |
| Beta vs S&P 500 | 0.77 | 0.54 |
| Max drawdown (3Y) | -34.4% | -47.5% |
| Market cap | $17.6B | $9.4B |
| P/E (trailing) | 49.9 | 22.1 |
| Dividend yield | 0.90% | 0.73% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | J | TTEK |
|---|---|---|
| 2022 | -13.1% | -14.0% |
| 2023 | +9.0% | +15.7% |
| 2024 | +24.2% | +20.0% |
| 2025 | +1.1% | -15.2% |
| 2026 | +14.6% | +9.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are J and TTEK good diversifiers for each other?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between J and TTEK?
Using weekly returns as of 2026-08-27: 0.46 over 3 years, with 0.70 over the last year and 0.49 over 5 years.
Is TTEK a good diversifier for J?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.46 mean?
On the −1 to +1 scale, 0.46 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/j-vs-ttek.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/j-vs-ttek/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: J correlations · TTEK correlations
