BLKB vs DLB: Correlation
How closely do Blackbaud, Inc. (BLKB) and Dolby Laboratories (DLB) trade together? Their weekly returns over three years give a correlation of 0.51, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLKB and DLB?
Across a 3-year window, the weekly returns of BLKB and DLB correlate at 0.51, moderate. The relationship has been stable: the 1-year correlation (0.61) sits close to the 3-year figure. Stretching to 5 years gives 0.47, with an annualized covariance of 515.1 %².
Within BLKB's tracked universe of 16 assets, DLB comes in at #8 by 3-year correlation. The trailing year gives DLB the advantage: -27.0% versus -12.3%, a 14.7-point spread. One caveat on sizing: BLKB is 1.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
BLKB vs DLB: side by side
| BLKB (Blackbaud, Inc.) | DLB (Dolby Laboratories) | |
|---|---|---|
| 1-year return | -27.0% | -12.3% |
| 5-year return | -30.1% | -31.8% |
| Volatility (ann.) | 39.2% | 26.0% |
| Beta vs S&P 500 | 0.81 | 0.78 |
| Max drawdown (3Y) | -69.8% | -43.2% |
| Market cap | $2.2B | $5.8B |
| P/E (trailing) | 14.7 | 27.6 |
| Dividend yield | 0.00% | 2.22% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BLKB | DLB |
|---|---|---|
| 2022 | -25.5% | -24.9% |
| 2023 | +47.3% | +23.8% |
| 2024 | -14.7% | -7.9% |
| 2025 | -14.3% | -16.3% |
| 2026 | -23.3% | -1.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLKB and DLB good diversifiers for each other?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between BLKB and DLB?
The BLKB/DLB correlation stands at 0.51 on a 3-year window (1 year: 0.61, 5 years: 0.47), computed from weekly returns as of 2026-08-27.
Is DLB a good diversifier for BLKB?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.51 mean?
A reading of 0.51 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/blkb-vs-dlb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/blkb-vs-dlb/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BLKB correlations · DLB correlations
