HAE vs QLYS: Correlation
Haemonetics Corporation (HAE) and Qualys, Inc. (QLYS) show a moderate relationship: their 3-year correlation of weekly returns is 0.45.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HAE and QLYS?
Over the past 3 years, HAE and QLYS moved with a correlation of 0.45, which is moderate. The relationship has been stable: the 1-year correlation (0.39) sits close to the 3-year figure. Over 5 years the correlation is 0.36, and the annualized covariance of weekly returns is 895.9 %².
In HAE's tracked universe of 12 assets, QLYS sits right near the top at #2. The last year tells two different stories: HAE led by 50.8 percentage points, +90.8% for HAE against +40.0% for QLYS.
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.
HAE vs QLYS: side by side
| HAE (Haemonetics Corporation) | QLYS (Qualys, Inc.) | |
|---|---|---|
| 1-year return | +90.8% | +40.0% |
| 5-year return | +69.8% | +62.5% |
| Volatility (ann.) | 46.1% | 43.5% |
| Beta vs S&P 500 | 0.53 | 1.09 |
| Max drawdown (3Y) | -51.0% | -63.0% |
| Market cap | $4.8B | $6.5B |
| P/E (trailing) | 51.5 | 30.7 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HAE | QLYS |
|---|---|---|
| 2022 | +48.3% | -18.2% |
| 2023 | +8.7% | +74.9% |
| 2024 | -8.7% | -28.6% |
| 2025 | +2.7% | -5.2% |
| 2026 | +31.0% | +41.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HAE and QLYS good diversifiers for each other?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between HAE and QLYS?
Using weekly returns as of 2026-08-27: 0.45 over 3 years, with 0.39 over the last year and 0.36 over 5 years.
Is QLYS a good diversifier for HAE?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.45 mean?
On the −1 to +1 scale, 0.45 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/hae-vs-qlys.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/hae-vs-qlys/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: HAE correlations · QLYS correlations
