BLKB vs BOX: Correlation
How closely do Blackbaud, Inc. (BLKB) and Box, Inc. (BOX) 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 BOX?
Across a 3-year window, the weekly returns of BLKB and BOX correlate at 0.51, moderate. The past 12 months show a tighter link (0.69) than the 3-year average (0.51). Stretching to 5 years gives 0.41, with an annualized covariance of 620.4 %².
Among the 16 assets we track against BLKB, BOX ranks #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BOX outperformed by 34.0 percentage points (-27.0% for BLKB against +7.0% for BOX).
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 BOX: side by side
| BLKB (Blackbaud, Inc.) | BOX (Box, Inc.) | |
|---|---|---|
| 1-year return | -27.0% | +7.0% |
| 5-year return | -30.1% | +35.7% |
| Volatility (ann.) | 39.2% | 31.3% |
| Beta vs S&P 500 | 0.81 | 0.61 |
| Max drawdown (3Y) | -69.8% | -44.6% |
| Market cap | $2.2B | $4.8B |
| P/E (trailing) | 14.7 | 48.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BLKB | BOX |
|---|---|---|
| 2022 | -25.5% | +18.9% |
| 2023 | +47.3% | -17.7% |
| 2024 | -14.7% | +23.4% |
| 2025 | -14.3% | -5.3% |
| 2026 | -23.3% | +16.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLKB and BOX 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 BOX?
Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.69 over the last year and 0.41 over 5 years.
Is BOX 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?
On the −1 to +1 scale, 0.51 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/blkb-vs-box.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/blkb-vs-box/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BLKB correlations · BOX correlations
