PROF vs VXZ: Correlation
Profound Medical Corp. (PROF) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) show a negative relationship: their 3-year correlation of weekly returns is -0.25.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PROF and VXZ?
Across a 3-year window, the weekly returns of PROF and VXZ correlate at -0.25, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.20 over 1 year against -0.25 over 3. Stretching to 5 years gives -0.29, with an annualized covariance of -383.8 %².
Out of 10 assets tracked against PROF, VXZ lands near the bottom at #9. The last year tells two different stories: PROF led by 70.1 percentage points, +54.0% for PROF against -16.1% for VXZ. Note the risk asymmetry: PROF runs 2.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
PROF vs VXZ: side by side
| PROF (Profound Medical Corp.) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | +54.0% | -16.1% |
| 5-year return | -53.1% | -53.1% |
| Volatility (ann.) | 59.6% | 25.6% |
| Beta vs S&P 500 | 0.92 | -1.31 |
| Max drawdown (3Y) | -65.4% | -36.4% |
| Market cap | $0.3B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PROF | VXZ |
|---|---|---|
| 2022 | -3.0% | +0.5% |
| 2023 | -22.0% | -44.0% |
| 2024 | -11.5% | -12.7% |
| 2025 | +4.8% | +5.7% |
| 2026 | -11.6% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PROF and VXZ good diversifiers for each other?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
FAQ
What is the correlation between PROF and VXZ?
Using weekly returns as of 2026-08-27: -0.25 over 3 years, with -0.20 over the last year and -0.29 over 5 years.
Is VXZ a good diversifier for PROF?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
What does a correlation of -0.25 mean?
On the −1 to +1 scale, -0.25 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/prof-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/prof-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PROF correlations · VXZ correlations
