GYRO vs PRQR: Correlation
How closely do Gyrodyne , LLC (GYRO) and ProQR Therapeutics N.V. (PRQR) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GYRO and PRQR?
On 3 years of weekly data the GYRO/PRQR correlation comes out at 0.49, moderate. The link has loosened recently: the 1-year correlation (0.14) runs below the 3-year figure (0.49). The 5-year figure is 0.27, and annualized covariance runs at 2061.3 %².
PRQR is one of the assets that tracks GYRO most closely: it ranks #2 out of the 11 assets we track against GYRO. Their recent paths diverged sharply: over the last 12 months PRQR outperformed by 56.4 percentage points (-51.4% for GYRO against +5.0% for PRQR). One caveat on sizing: PRQR is 2.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
GYRO vs PRQR: side by side
| GYRO (Gyrodyne , LLC) | PRQR (ProQR Therapeutics N.V.) | |
|---|---|---|
| 1-year return | -51.4% | +5.0% |
| 5-year return | -60.8% | -64.2% |
| Volatility (ann.) | 40.0% | 104.9% |
| Beta vs S&P 500 | 0.20 | 1.98 |
| Max drawdown (3Y) | -54.2% | -75.1% |
| Market cap | – | $0.3B |
| P/E (trailing) | 43.3 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GYRO | PRQR |
|---|---|---|
| 2022 | -29.6% | -53.8% |
| 2023 | +23.5% | -46.5% |
| 2024 | -9.8% | +33.8% |
| 2025 | +2.4% | -23.8% |
| 2026 | -43.8% | +14.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GYRO and PRQR good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between GYRO and PRQR?
Using weekly returns as of 2026-08-27: 0.49 over 3 years, with 0.14 over the last year and 0.27 over 5 years.
Is PRQR a good diversifier for GYRO?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.49 mean?
A reading of 0.49 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Hubs: GYRO correlations · PRQR correlations