DSWL vs HRB: Correlation
Deswell Industries, Inc. (DSWL) and H&R Block, Inc. (HRB) show a negative relationship: their 3-year correlation of weekly returns is -0.20.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DSWL and HRB?
Across a 3-year window, the weekly returns of DSWL and HRB correlate at -0.20, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.33 versus -0.20 over 3 years. Stretching to 5 years gives -0.11, with an annualized covariance of -199.9 %².
HRB is close to the least connected end of DSWL's tracked universe, ranking #9 of 10. Their recent paths diverged sharply: over the last 12 months HRB outperformed by 18.0 percentage points (-10.4% for DSWL against +7.6% for HRB).
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.
DSWL vs HRB: side by side
| DSWL (Deswell Industries, Inc.) | HRB (H&R Block, Inc.) | |
|---|---|---|
| 1-year return | -10.4% | +7.6% |
| 5-year return | +0.8% | +141.8% |
| Volatility (ann.) | 30.4% | 32.8% |
| Beta vs S&P 500 | 0.34 | 0.31 |
| Max drawdown (3Y) | -29.5% | -55.5% |
| Market cap | – | $6.5B |
| P/E (trailing) | 4.6 | 9.3 |
| Dividend yield | 6.45% | 3.19% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DSWL | HRB |
|---|---|---|
| 2022 | -14.1% | +59.9% |
| 2023 | -8.3% | +36.9% |
| 2024 | -2.9% | +12.0% |
| 2025 | +54.7% | -14.9% |
| 2026 | -5.7% | +23.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DSWL and HRB good diversifiers for each other?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between DSWL and HRB?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.33 over the last year and -0.11 over 5 years.
Is HRB a good diversifier for DSWL?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.20 mean?
On the −1 to +1 scale, -0.20 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/dswl-vs-hrb.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/dswl-vs-hrb/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: DSWL correlations · HRB correlations
