CLIR vs VXX: Correlation
Measured on weekly returns over the past three years, ClearSign Technologies Corporation (CLIR) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) carry a correlation of -0.28, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLIR and VXX?
On 3 years of weekly data the CLIR/VXX correlation comes out at -0.28, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.19 over 1 year against -0.28 over 3. The 5-year figure is -0.28, and annualized covariance runs at -1534.2 %².
Among the 10 assets we track against CLIR, VXX sits near the bottom by co-movement, at rank #9. Correlation aside, the last 12 months split them widely, with CLIR ahead by 26.5 points (-23.2% 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.
CLIR vs VXX: side by side
| CLIR (ClearSign Technologies Corporation) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | -23.2% | -49.7% |
| 5-year return | -85.3% | -95.6% |
| Volatility (ann.) | 89.0% | 60.9% |
| Beta vs S&P 500 | 2.06 | -3.31 |
| Max drawdown (3Y) | -78.5% | -83.3% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CLIR | VXX |
|---|---|---|
| 2022 | -60.9% | -23.8% |
| 2023 | +105.6% | -72.5% |
| 2024 | +29.7% | -26.2% |
| 2025 | -61.1% | -42.2% |
| 2026 | -19.1% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLIR and VXX good diversifiers for each other?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CLIR and VXX?
The CLIR/VXX correlation stands at -0.28 on a 3-year window (1 year: -0.19, 5 years: -0.28), computed from weekly returns as of 2026-08-27.
Is VXX a good diversifier for CLIR?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.28 mean?
On the −1 to +1 scale, -0.28 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/clir-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/clir-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CLIR correlations · VXX correlations
