ARCT vs RCEL: Correlation
How closely do Arcturus Therapeutics Holdings Inc. (ARCT) and Avita Medical, Inc. (RCEL) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARCT and RCEL?
Across a 3-year window, the weekly returns of ARCT and RCEL correlate at 0.46, moderate. The relationship has been stable: the 1-year correlation (0.37) sits close to the 3-year figure. Stretching to 5 years gives 0.37, with an annualized covariance of 3819.1 %².
Within ARCT's tracked universe of 14 assets, RCEL comes in at #8 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RCEL ahead by 134.3 points (-6.5% versus +127.8%).
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.
ARCT vs RCEL: side by side
| ARCT (Arcturus Therapeutics Holdings Inc.) | RCEL (Avita Medical, Inc.) | |
|---|---|---|
| 1-year return | -6.5% | +127.8% |
| 5-year return | -69.9% | -48.7% |
| Volatility (ann.) | 90.6% | 91.0% |
| Beta vs S&P 500 | 2.39 | 2.01 |
| Max drawdown (3Y) | -87.5% | -82.1% |
| Market cap | $0.5B | $0.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ARCT | RCEL |
|---|---|---|
| 2022 | -54.2% | -44.9% |
| 2023 | +85.9% | +107.9% |
| 2024 | -46.2% | -6.7% |
| 2025 | -63.9% | -73.0% |
| 2026 | +163.8% | +199.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARCT and RCEL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ARCT and RCEL?
Using weekly returns as of 2026-08-27: 0.46 over 3 years, with 0.37 over the last year and 0.37 over 5 years.
Is RCEL a good diversifier for ARCT?
Yes, to a useful degree: a correlation of 0.46 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.46 mean?
A reading of 0.46 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/arct-vs-rcel.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/arct-vs-rcel/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ARCT correlations · RCEL correlations
