DXCM vs QNBC: Correlation
Dexcom (DXCM) and QNB Corp. (QNBC) show a negative relationship: their 3-year correlation of weekly returns is -0.27.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DXCM and QNBC?
Over the past 3 years, DXCM and QNBC moved with a correlation of -0.27, which is negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.07 versus -0.27 over 3 years. Over 5 years the correlation is -0.10, and the annualized covariance of weekly returns is -219.8 %².
Out of 28 assets tracked against DXCM, QNBC lands near the bottom at #26. The trailing year gives QNBC the advantage: +16.9% versus +31.3%, a 14.4-point spread. One caveat on sizing: DXCM is 2.7 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.
DXCM vs QNBC: side by side
| DXCM (Dexcom) | QNBC (QNB Corp.) | |
|---|---|---|
| 1-year return | +16.9% | +31.3% |
| 5-year return | -31.5% | +50.2% |
| Volatility (ann.) | 46.7% | 17.1% |
| Beta vs S&P 500 | 1.02 | -0.03 |
| Max drawdown (3Y) | -61.0% | -12.1% |
| Market cap | $33.7B | $0.3B |
| P/E (trailing) | 35.2 | 13.4 |
| Dividend yield | 0.00% | 3.43% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | DXCM | QNBC |
|---|---|---|
| 2022 | -15.6% | -23.3% |
| 2023 | +9.6% | +4.7% |
| 2024 | -37.3% | +37.9% |
| 2025 | -14.7% | +7.7% |
| 2026 | +34.5% | +31.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DXCM and QNBC good diversifiers for each other?
Yes. With a correlation of -0.27, DXCM and QNBC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between DXCM and QNBC?
The DXCM/QNBC correlation stands at -0.27 on a 3-year window (1 year: -0.07, 5 years: -0.10), computed from weekly returns as of 2026-08-27.
Is QNBC a good diversifier for DXCM?
Yes. With a correlation of -0.27, DXCM and QNBC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.27 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/dxcm-vs-qnbc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/dxcm-vs-qnbc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DXCM correlations · QNBC correlations
