PLSE vs VXX: Correlation
Pulse Biosciences, Inc (PLSE) 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 -0.29.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PLSE and VXX?
Over the past 3 years, PLSE and VXX moved with a correlation of -0.29, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.11) runs above the 3-year figure (-0.29). Over 5 years the correlation is -0.20, and the annualized covariance of weekly returns is -1512.6 %².
Among the 11 assets we track against PLSE, VXX sits near the bottom by co-movement, at rank #11. The last year tells two different stories: PLSE led by 256.1 percentage points, +206.4% for PLSE 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.
PLSE vs VXX: side by side
| PLSE (Pulse Biosciences, Inc) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +206.4% | -49.7% |
| 5-year return | +82.4% | -95.6% |
| Volatility (ann.) | 86.6% | 60.9% |
| Beta vs S&P 500 | 1.55 | -3.31 |
| Max drawdown (3Y) | -48.5% | -83.3% |
| Market cap | $3.5B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PLSE | VXX |
|---|---|---|
| 2022 | -81.3% | -23.8% |
| 2023 | +341.9% | -72.5% |
| 2024 | +42.2% | -26.2% |
| 2025 | -21.1% | -42.2% |
| 2026 | +253.7% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PLSE and VXX good diversifiers for each other?
Yes: at -0.29, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PLSE and VXX?
Using weekly returns as of 2026-08-27: -0.29 over 3 years, with -0.11 over the last year and -0.20 over 5 years.
Is VXX a good diversifier for PLSE?
Yes: at -0.29, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.29 mean?
A reading of -0.29 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/plse-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/plse-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PLSE correlations · VXX correlations