ARKR vs QUCY: Correlation
Ark Restaurants Corp. (ARKR) and Quantum Cyber N.V. (QUCY) show a moderate relationship: their 3-year correlation of weekly returns is 0.59.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKR and QUCY?
On 3 years of weekly data the ARKR/QUCY correlation comes out at 0.59, moderate. The link has loosened recently: the 1-year correlation (-0.40) runs below the 3-year figure (0.59). The 5-year figure is 0.52, and annualized covariance runs at 54448.0 %².
In ARKR's tracked universe of 14 assets, QUCY sits right near the top at #1. On 12-month performance QUCY holds a 13.5-point edge, -22.8% against -9.3%. One caveat on sizing: QUCY is 36.5 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.
ARKR vs QUCY: side by side
| ARKR (Ark Restaurants Corp.) | QUCY (Quantum Cyber N.V.) | |
|---|---|---|
| 1-year return | -22.8% | -9.3% |
| 5-year return | -64.1% | -94.4% |
| Volatility (ann.) | 50.4% | 1840.9% |
| Beta vs S&P 500 | 0.34 | 3.76 |
| Max drawdown (3Y) | -70.3% | -95.9% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ARKR | QUCY |
|---|---|---|
| 2022 | +0.4% | -31.7% |
| 2023 | -11.5% | -83.7% |
| 2024 | -19.8% | +272.4% |
| 2025 | -39.0% | -74.1% |
| 2026 | -21.3% | +31.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKR and QUCY good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ARKR and QUCY?
Using weekly returns as of 2026-08-27: 0.59 over 3 years, with -0.40 over the last year and 0.52 over 5 years.
Is QUCY a good diversifier for ARKR?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.59 mean?
On the −1 to +1 scale, 0.59 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/arkr-vs-qucy.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/arkr-vs-qucy/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ARKR correlations · QUCY correlations
