PRFX vs RYM: Correlation
Measured on weekly returns over the past three years, PRF Technologies Ltd. (PRFX) and RYTHM, Inc. (RYM) carry a correlation of 0.57, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PRFX and RYM?
Over the past 3 years, PRFX and RYM moved with a correlation of 0.57, which is moderate. The link has loosened recently: the 1-year correlation (-0.05) runs below the 3-year figure (0.57). Over 5 years the correlation is 0.44, and the annualized covariance of weekly returns is 34595.4 %².
By 3-year correlation, RYM places #5 of the 23 assets tracked against PRFX. Their recent paths diverged sharply: over the last 12 months RYM outperformed by 61.5 percentage points (-87.7% for PRFX against -26.2% for RYM).
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 RYM: side by side
| PRFX (PRF Technologies Ltd.) | RYM (RYTHM, Inc.) | |
|---|---|---|
| 1-year return | -87.7% | -26.2% |
| 5-year return | -99.9% | -100.0% |
| Volatility (ann.) | 291.2% | 208.3% |
| Beta vs S&P 500 | 2.46 | 2.05 |
| Max drawdown (3Y) | -99.3% | -94.4% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PRFX | RYM |
|---|---|---|
| 2022 | -68.9% | -99.6% |
| 2023 | -33.4% | -81.1% |
| 2024 | -79.7% | +53.9% |
| 2025 | -80.9% | -26.4% |
| 2026 | -69.3% | +5.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PRFX and RYM good diversifiers for each other?
Only partially. A correlation of 0.57 means PRFX and RYM share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between PRFX and RYM?
The PRFX/RYM correlation stands at 0.57 on a 3-year window (1 year: -0.05, 5 years: 0.44), computed from weekly returns as of 2026-08-27.
Is RYM a good diversifier for PRFX?
Only partially. A correlation of 0.57 means PRFX and RYM share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.57 mean?
On the −1 to +1 scale, 0.57 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-rym.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/prfx-vs-rym/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PRFX correlations · RYM correlations
