BBSI vs TNET: Correlation
Measured on weekly returns over the past three years, Barrett Business Services, Inc. (BBSI) and TriNet Group, Inc. (TNET) carry a correlation of 0.55, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BBSI and TNET?
Over the past 3 years, BBSI and TNET moved with a correlation of 0.55, which is moderate. The relationship has been stable: the 1-year correlation (0.63) sits close to the 3-year figure. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 662.6 %².
Few assets follow BBSI as closely as TNET, which ranks #2 of 16 tracked partners. Their recent paths diverged sharply: over the last 12 months TNET outperformed by 28.8 percentage points (-28.8% for BBSI against +0.0% for TNET).
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.
BBSI vs TNET: side by side
| BBSI (Barrett Business Services, Inc.) | TNET (TriNet Group, Inc.) | |
|---|---|---|
| 1-year return | -28.8% | +0.0% |
| 5-year return | +89.3% | -20.5% |
| Volatility (ann.) | 30.3% | 40.1% |
| Beta vs S&P 500 | 0.64 | 0.77 |
| Max drawdown (3Y) | -45.3% | -74.0% |
| Market cap | $0.8B | $3.2B |
| P/E (trailing) | 25.3 | 18.6 |
| Dividend yield | 0.94% | 1.61% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BBSI | TNET |
|---|---|---|
| 2022 | +37.1% | -28.8% |
| 2023 | +25.8% | +75.4% |
| 2024 | +51.4% | -23.1% |
| 2025 | -16.0% | -33.9% |
| 2026 | -4.9% | +19.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BBSI and TNET good diversifiers for each other?
Only partially. A correlation of 0.55 means BBSI and TNET share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between BBSI and TNET?
Using weekly returns as of 2026-08-27: 0.55 over 3 years, with 0.63 over the last year and 0.51 over 5 years.
Is TNET a good diversifier for BBSI?
Only partially. A correlation of 0.55 means BBSI and TNET share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.55 mean?
On the −1 to +1 scale, 0.55 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/bbsi-vs-tnet.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bbsi-vs-tnet/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BBSI correlations · TNET correlations
