CLDX vs VXZ: Correlation
Measured on weekly returns over the past three years, Celldex Therapeutics, Inc. (CLDX) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) carry a correlation of -0.31, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLDX and VXZ?
On 3 years of weekly data the CLDX/VXZ correlation comes out at -0.31, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.17) than the 3-year average (-0.31). The 5-year figure is -0.28, and annualized covariance runs at -467.7 %².
Out of 18 assets tracked against CLDX, VXZ lands near the bottom at #17. Correlation aside, the last 12 months split them widely, with CLDX ahead by 95.1 points (+79.0% versus -16.1%). One caveat on sizing: CLDX is 2.3 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.
CLDX vs VXZ: side by side
| CLDX (Celldex Therapeutics, Inc.) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | +79.0% | -16.1% |
| 5-year return | -21.9% | -53.1% |
| Volatility (ann.) | 59.4% | 25.6% |
| Beta vs S&P 500 | 1.48 | -1.31 |
| Max drawdown (3Y) | -70.8% | -36.4% |
| Market cap | $3.2B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CLDX | VXZ |
|---|---|---|
| 2022 | +15.3% | +0.5% |
| 2023 | -11.0% | -44.0% |
| 2024 | -36.3% | -12.7% |
| 2025 | +7.5% | +5.7% |
| 2026 | +49.0% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLDX and VXZ good diversifiers for each other?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CLDX and VXZ?
As of 2026-08-27, the correlation of weekly returns between CLDX and VXZ is -0.31 over 3 years, -0.17 over 1 year and -0.28 over 5 years.
Is VXZ a good diversifier for CLDX?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.31 mean?
On the −1 to +1 scale, -0.31 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/cldx-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cldx-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CLDX correlations · VXZ correlations
