ARQQ vs DCOY: Correlation
Measured on weekly returns over the past three years, Arqit Quantum Inc. (ARQQ) and Decoy Therapeutics Inc. (DCOY) carry a correlation of 0.41, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARQQ and DCOY?
On 3 years of weekly data the ARQQ/DCOY correlation comes out at 0.41, moderate. Recent behaviour matches the longer record: 0.39 over 1 year against 0.41 over 3. The 5-year figure is 0.30, and annualized covariance runs at 6629.2 %².
Among the 16 assets we track against ARQQ, DCOY ranks #8 by 3-year correlation. The last year tells two different stories: ARQQ led by 66.4 percentage points, -29.4% for ARQQ against -95.8% for DCOY.
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.
ARQQ vs DCOY: side by side
| ARQQ (Arqit Quantum Inc.) | DCOY (Decoy Therapeutics Inc.) | |
|---|---|---|
| 1-year return | -29.4% | -95.8% |
| 5-year return | -91.4% | -100.0% |
| Volatility (ann.) | 135.6% | 120.2% |
| Beta vs S&P 500 | 3.18 | 1.56 |
| Max drawdown (3Y) | -86.7% | -99.8% |
| Market cap | $0.4B | – |
| P/E (trailing) | – | 0.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ARQQ | DCOY |
|---|---|---|
| 2022 | -84.9% | -87.7% |
| 2023 | -86.9% | -57.5% |
| 2024 | +227.8% | -64.6% |
| 2025 | -43.7% | -97.6% |
| 2026 | -1.9% | -61.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARQQ and DCOY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ARQQ and DCOY?
Using weekly returns as of 2026-08-27: 0.41 over 3 years, with 0.39 over the last year and 0.30 over 5 years.
Is DCOY a good diversifier for ARQQ?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.41 mean?
On the −1 to +1 scale, 0.41 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
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Related comparisons
Hubs: ARQQ correlations · DCOY correlations
