OPRX vs VXZ: Correlation
How closely do OptimizeRx Corporation (OPRX) and iPath Series B S&P 500 VIX Mid-Term Futures ETN (VXZ) trade together? Their weekly returns over three years give a correlation of -0.31, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OPRX and VXZ?
Across a 3-year window, the weekly returns of OPRX and VXZ correlate at -0.31, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.34 lands near the 3-year figure. Stretching to 5 years gives -0.32, with an annualized covariance of -657.6 %².
Among the 12 assets we track against OPRX, VXZ sits near the bottom by co-movement, at rank #10. Correlation aside, the last 12 months split them widely, with VXZ ahead by 39.2 points (-55.3% versus -16.1%). Risk is not evenly split, since OPRX carries 3.3 times the volatility of the other side.
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.
OPRX vs VXZ: side by side
| OPRX (OptimizeRx Corporation) | VXZ (iPath Series B S&P 500 VIX Mid-Term Futures ETN) | |
|---|---|---|
| 1-year return | -55.3% | -16.1% |
| 5-year return | -88.3% | -53.1% |
| Volatility (ann.) | 83.6% | 25.6% |
| Beta vs S&P 500 | 2.12 | -1.31 |
| Max drawdown (3Y) | -79.1% | -36.4% |
| Market cap | $0.1B | – |
| P/E (trailing) | 31.3 | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OPRX | VXZ |
|---|---|---|
| 2022 | -73.0% | +0.5% |
| 2023 | -14.8% | -44.0% |
| 2024 | -66.0% | -12.7% |
| 2025 | +152.3% | +5.7% |
| 2026 | -36.1% | -10.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OPRX and VXZ good diversifiers for each other?
Yes. With a correlation of -0.31, OPRX and VXZ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between OPRX and VXZ?
The OPRX/VXZ correlation stands at -0.31 on a 3-year window (1 year: -0.34, 5 years: -0.32), computed from weekly returns as of 2026-08-27.
Is VXZ a good diversifier for OPRX?
Yes. With a correlation of -0.31, OPRX and VXZ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.31 mean?
On the −1 to +1 scale, -0.31 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/oprx-vs-vxz.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/oprx-vs-vxz/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: OPRX correlations · VXZ correlations
