ARDX vs VXX: Correlation
How closely do Ardelyx, Inc. (ARDX) 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 -0.20, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARDX and VXX?
Over the past 3 years, ARDX and VXX moved with a correlation of -0.20, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.22 lands near the 3-year figure. Over 5 years the correlation is -0.16, and the annualized covariance of weekly returns is -851.3 %².
Among the 11 assets we track against ARDX, VXX sits near the bottom by co-movement, at rank #9. Over the last 12 months ARDX came out ahead by 11.4 percentage points (-38.3% against -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.
ARDX vs VXX: side by side
| ARDX (Ardelyx, Inc.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | -38.3% | -49.7% |
| 5-year return | +165.3% | -95.6% |
| Volatility (ann.) | 70.9% | 60.9% |
| Beta vs S&P 500 | 1.03 | -3.31 |
| Max drawdown (3Y) | -66.3% | -83.3% |
| Market cap | $1.0B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ARDX | VXX |
|---|---|---|
| 2022 | +159.1% | -23.8% |
| 2023 | +117.5% | -72.5% |
| 2024 | -18.2% | -26.2% |
| 2025 | +15.0% | -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 ARDX and VXX good diversifiers for each other?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between ARDX and VXX?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.22 over the last year and -0.16 over 5 years.
Is VXX a good diversifier for ARDX?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.20 mean?
A reading of -0.20 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ardx-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ardx-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ARDX correlations · VXX correlations
