PRFX vs XCUR: Correlation
Measured on weekly returns over the past three years, PRF Technologies Ltd. (PRFX) and Exicure, Inc. (XCUR) carry a correlation of 0.84, a very strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PRFX and XCUR?
On 3 years of weekly data the PRFX/XCUR correlation comes out at 0.84, very strong, meaning they move nearly in lockstep. Lately the two have drifted apart, with the 1-year correlation at 0.22 versus 0.84 over 3 years. The 5-year figure is 0.79, and annualized covariance runs at 83579.1 %².
In PRFX's tracked universe of 23 assets, XCUR sits right near the top at #2. Over the last 12 months XCUR came out ahead by 12.4 percentage points (-87.7% against -75.3%).
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.
PRFX vs XCUR: side by side
| PRFX (PRF Technologies Ltd.) | XCUR (Exicure, Inc.) | |
|---|---|---|
| 1-year return | -87.7% | -75.3% |
| 5-year return | -99.9% | -99.3% |
| Volatility (ann.) | 291.2% | 341.3% |
| Beta vs S&P 500 | 2.46 | 0.92 |
| Max drawdown (3Y) | -99.3% | -96.4% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PRFX | XCUR |
|---|---|---|
| 2022 | -68.9% | -81.0% |
| 2023 | -33.4% | -49.6% |
| 2024 | -79.7% | +371.4% |
| 2025 | -80.9% | -60.4% |
| 2026 | -69.3% | -74.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PRFX and XCUR good diversifiers for each other?
No: a correlation of 0.84 means PRFX and XCUR tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between PRFX and XCUR?
As of 2026-08-27, the correlation of weekly returns between PRFX and XCUR is 0.84 over 3 years, 0.22 over 1 year and 0.79 over 5 years.
Is XCUR a good diversifier for PRFX?
No: a correlation of 0.84 means PRFX and XCUR tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.84 mean?
On the −1 to +1 scale, 0.84 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/prfx-vs-xcur.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/prfx-vs-xcur/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PRFX correlations · XCUR correlations
