QLYS vs QTWO: Correlation
Measured on weekly returns over the past three years, Qualys, Inc. (QLYS) and Q2 Holdings, Inc. (QTWO) carry a correlation of 0.57, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QLYS and QTWO?
Across a 3-year window, the weekly returns of QLYS and QTWO correlate at 0.57, moderate. Recent behaviour matches the longer record: 0.60 over 1 year against 0.57 over 3. Stretching to 5 years gives 0.55, with an annualized covariance of 1045.8 %².
Among the 13 assets we track against QLYS, QTWO ranks #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months QLYS outperformed by 56.0 percentage points (+40.0% for QLYS against -16.0% for QTWO).
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.
QLYS vs QTWO: side by side
| QLYS (Qualys, Inc.) | QTWO (Q2 Holdings, Inc.) | |
|---|---|---|
| 1-year return | +40.0% | -16.0% |
| 5-year return | +62.5% | -24.7% |
| Volatility (ann.) | 43.5% | 41.9% |
| Beta vs S&P 500 | 1.09 | 1.41 |
| Max drawdown (3Y) | -63.0% | -62.0% |
| Market cap | $6.5B | $4.1B |
| P/E (trailing) | 30.7 | 45.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | QLYS | QTWO |
|---|---|---|
| 2022 | -18.2% | -66.2% |
| 2023 | +74.9% | +61.6% |
| 2024 | -28.6% | +131.9% |
| 2025 | -5.2% | -28.3% |
| 2026 | +41.9% | -9.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QLYS and QTWO good diversifiers for each other?
Somewhat, no more. With 0.57 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between QLYS and QTWO?
Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.60 over the last year and 0.55 over 5 years.
Is QTWO a good diversifier for QLYS?
Somewhat, no more. With 0.57 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.57 mean?
On the −1 to +1 scale, 0.57 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/qlys-vs-qtwo.json
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Related comparisons
Hubs: QLYS correlations · QTWO correlations
