LAR vs RIO: Correlation
Lithium Argentina AG (LAR) and Rio Tinto Plc (RIO) show a moderate relationship: their 3-year correlation of weekly returns is 0.57.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LAR and RIO?
Across a 3-year window, the weekly returns of LAR and RIO correlate at 0.57, moderate. Recent behaviour matches the longer record: 0.55 over 1 year against 0.57 over 3. Stretching to 5 years gives 0.49, with an annualized covariance of 968.9 %².
Within LAR's tracked universe of 16 assets, RIO comes in at #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with LAR ahead by 36.7 points (+113.9% versus +77.2%). Risk is not evenly split, since LAR carries 2.7 times the volatility of the other side.
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.
LAR vs RIO: side by side
| LAR (Lithium Argentina AG) | RIO (Rio Tinto Plc) | |
|---|---|---|
| 1-year return | +113.9% | +77.2% |
| 5-year return | -12.4% | +94.8% |
| Volatility (ann.) | 67.6% | 25.1% |
| Beta vs S&P 500 | 1.61 | 0.70 |
| Max drawdown (3Y) | -79.6% | -24.2% |
| Market cap | $1.1B | $170.4B |
| P/E (trailing) | – | 14.2 |
| Dividend yield | 0.00% | 4.44% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | LAR | RIO |
|---|---|---|
| 2022 | -34.9% | +18.5% |
| 2023 | -17.2% | +11.1% |
| 2024 | -58.5% | -15.4% |
| 2025 | +113.0% | +44.5% |
| 2026 | +23.8% | +37.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LAR and RIO good diversifiers for each other?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between LAR and RIO?
As of 2026-08-27, the correlation of weekly returns between LAR and RIO is 0.57 over 3 years, 0.55 over 1 year and 0.49 over 5 years.
Is RIO a good diversifier for LAR?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.57 mean?
On the −1 to +1 scale, 0.57 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/lar-vs-rio.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/lar-vs-rio/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: LAR correlations · RIO correlations
