ACVA vs BBSI: Correlation
ACV Auctions Inc. (ACVA) and Barrett Business Services, Inc. (BBSI) show a moderate relationship: their 3-year correlation of weekly returns is 0.49.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACVA and BBSI?
On 3 years of weekly data the ACVA/BBSI correlation comes out at 0.49, moderate. Recent behaviour matches the longer record: 0.53 over 1 year against 0.49 over 3. The 5-year figure is 0.36, and annualized covariance runs at 842.2 %².
In ACVA's tracked universe of 14 assets, BBSI sits right near the top at #3. On 12-month performance BBSI holds a 8.5-point edge, -37.3% against -28.8%. Note the risk asymmetry: ACVA runs 1.9 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ACVA vs BBSI: side by side
| ACVA (ACV Auctions Inc.) | BBSI (Barrett Business Services, Inc.) | |
|---|---|---|
| 1-year return | -37.3% | -28.8% |
| 5-year return | -64.2% | +89.3% |
| Volatility (ann.) | 57.0% | 30.3% |
| Beta vs S&P 500 | 1.76 | 0.64 |
| Max drawdown (3Y) | -82.1% | -45.3% |
| Market cap | $1.2B | $0.8B |
| P/E (trailing) | – | 25.3 |
| Dividend yield | 0.00% | 0.94% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACVA | BBSI |
|---|---|---|
| 2022 | -56.4% | +37.1% |
| 2023 | +84.5% | +25.8% |
| 2024 | +42.6% | +51.4% |
| 2025 | -62.9% | -16.0% |
| 2026 | -10.0% | -4.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACVA and BBSI good diversifiers for each other?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ACVA and BBSI?
As of 2026-08-27, the correlation of weekly returns between ACVA and BBSI is 0.49 over 3 years, 0.53 over 1 year and 0.36 over 5 years.
Is BBSI a good diversifier for ACVA?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.49 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/acva-vs-bbsi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/acva-vs-bbsi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACVA correlations · BBSI correlations
