AIIO vs ARCO: Correlation
Measured on weekly returns over the past three years, Robo.ai Inc. - Class B (AIIO) and Arcos Dorados Holdings Inc. Class A Shares (ARCO) carry a correlation of -0.23, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIIO and ARCO?
Over the past 3 years, AIIO and ARCO moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.38) than the 3-year average (-0.23). Over 5 years the correlation is -0.16, and the annualized covariance of weekly returns is -1966.1 %².
Within AIIO's tracked universe of 35 assets, ARCO comes in at #19 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ARCO outperformed by 109.3 percentage points (-91.3% for AIIO against +18.0% for ARCO). One caveat on sizing: AIIO is 9.2 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.
AIIO vs ARCO: side by side
| AIIO (Robo.ai Inc. - Class B) | ARCO (Arcos Dorados Holdings Inc. Class A Shares) | |
|---|---|---|
| 1-year return | -91.3% | +18.0% |
| 5-year return | -98.8% | +59.4% |
| Volatility (ann.) | 280.6% | 30.6% |
| Beta vs S&P 500 | 0.74 | 0.59 |
| Max drawdown (3Y) | -99.7% | -47.9% |
| Market cap | $0.4B | $1.7B |
| P/E (trailing) | – | 6.5 |
| Dividend yield | 0.00% | 3.50% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AIIO | ARCO |
|---|---|---|
| 2022 | -9.2% | +46.3% |
| 2023 | -27.5% | +54.9% |
| 2024 | -91.0% | -41.0% |
| 2025 | -56.6% | +4.1% |
| 2026 | -61.3% | +10.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIIO and ARCO good diversifiers for each other?
Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AIIO and ARCO?
Using weekly returns as of 2026-08-27: -0.23 over 3 years, with -0.38 over the last year and -0.16 over 5 years.
Is ARCO a good diversifier for AIIO?
Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.23 mean?
On the −1 to +1 scale, -0.23 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/aiio-vs-arco.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aiio-vs-arco/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AIIO correlations · ARCO correlations
