RYTM vs VXX: Correlation
Rhythm Pharmaceuticals, Inc. (RYTM) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) show a negative relationship: their 3-year correlation of weekly returns is -0.37.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RYTM and VXX?
Across a 3-year window, the weekly returns of RYTM and VXX correlate at -0.37, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.22) than the 3-year average (-0.37). Stretching to 5 years gives -0.20, with an annualized covariance of -1320.2 %².
Out of 13 assets tracked against RYTM, VXX lands near the bottom at #11. Their recent paths diverged sharply: over the last 12 months RYTM outperformed by 59.7 percentage points (+10.0% for RYTM against -49.7% for VXX).
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.
RYTM vs VXX: side by side
| RYTM (Rhythm Pharmaceuticals, Inc.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +10.0% | -49.7% |
| 5-year return | +785.4% | -95.6% |
| Volatility (ann.) | 58.4% | 60.9% |
| Beta vs S&P 500 | 1.92 | -3.31 |
| Max drawdown (3Y) | -35.5% | -83.3% |
| Market cap | $7.7B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RYTM | VXX |
|---|---|---|
| 2022 | +191.8% | -23.8% |
| 2023 | +57.9% | -72.5% |
| 2024 | +21.8% | -26.2% |
| 2025 | +91.2% | -42.2% |
| 2026 | +5.1% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RYTM and VXX good diversifiers for each other?
Yes: at -0.37, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between RYTM and VXX?
Using weekly returns as of 2026-08-27: -0.37 over 3 years, with -0.22 over the last year and -0.20 over 5 years.
Is VXX a good diversifier for RYTM?
Yes: at -0.37, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.37 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/rytm-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rytm-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: RYTM correlations · VXX correlations
