DXCM vs VXX: Correlation
How closely do Dexcom (DXCM) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) trade together? Their weekly returns over three years give a correlation of -0.26, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DXCM and VXX?
Over the past 3 years, DXCM and VXX moved with a correlation of -0.26, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.36 over 1 year against -0.26 over 3. Over 5 years the correlation is -0.27, and the annualized covariance of weekly returns is -726.4 %².
Out of 28 assets tracked against DXCM, VXX lands near the bottom at #25. Correlation aside, the last 12 months split them widely, with DXCM ahead by 66.6 points (+16.9% versus -49.7%).
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 VXX: side by side
| DXCM (Dexcom) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +16.9% | -49.7% |
| 5-year return | -31.5% | -95.6% |
| Volatility (ann.) | 46.7% | 60.9% |
| Beta vs S&P 500 | 1.02 | -3.31 |
| Max drawdown (3Y) | -61.0% | -83.3% |
| Market cap | $33.7B | – |
| P/E (trailing) | 35.2 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | DXCM | VXX |
|---|---|---|
| 2022 | -15.6% | -23.8% |
| 2023 | +9.6% | -72.5% |
| 2024 | -37.3% | -26.2% |
| 2025 | -14.7% | -42.2% |
| 2026 | +34.5% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DXCM and VXX good diversifiers for each other?
By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.
FAQ
What is the correlation between DXCM and VXX?
The DXCM/VXX correlation stands at -0.26 on a 3-year window (1 year: -0.36, 5 years: -0.27), computed from weekly returns as of 2026-08-27.
Is VXX a good diversifier for DXCM?
By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.
What does a correlation of -0.26 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-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/dxcm-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: DXCM correlations · VXX correlations
