SRTA vs VXX: Correlation
Strata Critical Medical, Inc. (SRTA) 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 -0.35.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SRTA and VXX?
Over the past 3 years, SRTA and VXX moved with a correlation of -0.35, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.24) than the 3-year average (-0.35). Over 5 years the correlation is -0.33, and the annualized covariance of weekly returns is -1473.1 %².
Out of 11 assets tracked against SRTA, VXX lands near the bottom at #9. The last year tells two different stories: SRTA led by 84.4 percentage points, +34.7% for SRTA 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.
SRTA vs VXX: side by side
| SRTA (Strata Critical Medical, Inc.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +34.7% | -49.7% |
| 5-year return | -28.6% | -95.6% |
| Volatility (ann.) | 69.8% | 60.9% |
| Beta vs S&P 500 | 2.02 | -3.31 |
| Max drawdown (3Y) | -48.9% | -83.3% |
| Market cap | $0.5B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SRTA | VXX |
|---|---|---|
| 2022 | -59.5% | -23.8% |
| 2023 | -1.4% | -72.5% |
| 2024 | +20.4% | -26.2% |
| 2025 | +13.2% | -42.2% |
| 2026 | +28.3% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SRTA and VXX good diversifiers for each other?
Yes. With a correlation of -0.35, SRTA and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between SRTA and VXX?
Using weekly returns as of 2026-08-27: -0.35 over 3 years, with -0.24 over the last year and -0.33 over 5 years.
Is VXX a good diversifier for SRTA?
Yes. With a correlation of -0.35, SRTA and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.35 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/srta-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/srta-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SRTA correlations · VXX correlations
