RUM vs SES: Correlation
How closely do RUM Group Inc. (RUM) and SES AI Corporation (SES) trade together? Their weekly returns over three years give a correlation of 0.67, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RUM and SES?
Over the past 3 years, RUM and SES moved with a correlation of 0.67, which is strong. The link has loosened recently: the 1-year correlation (0.18) runs below the 3-year figure (0.67). Over 5 years the correlation is 0.56, and the annualized covariance of weekly returns is 19711.0 %².
SES is one of the assets that tracks RUM most closely: it ranks #1 out of the 15 assets we track against RUM. Correlation aside, the last 12 months split them widely, with RUM ahead by 75.9 points (+24.9% versus -51.0%). One caveat on sizing: SES is 2.9 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.
RUM vs SES: side by side
| RUM (RUM Group Inc.) | SES (SES AI Corporation) | |
|---|---|---|
| 1-year return | +24.9% | -51.0% |
| 5-year return | -2.7% | -94.5% |
| Volatility (ann.) | 100.2% | 294.5% |
| Beta vs S&P 500 | 2.14 | 2.43 |
| Max drawdown (3Y) | -71.3% | -89.7% |
| Market cap | $4.7B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RUM | SES |
|---|---|---|
| 2022 | -45.1% | -68.3% |
| 2023 | -24.5% | -41.9% |
| 2024 | +189.8% | +19.7% |
| 2025 | -51.4% | -17.8% |
| 2026 | +49.2% | -69.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RUM and SES good diversifiers for each other?
To a limited degree. At 0.67 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 RUM and SES?
As of 2026-08-27, the correlation of weekly returns between RUM and SES is 0.67 over 3 years, 0.18 over 1 year and 0.56 over 5 years.
Is SES a good diversifier for RUM?
To a limited degree. At 0.67 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 0.67 mean?
A reading of 0.67 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/rum-vs-ses.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/rum-vs-ses/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: RUM correlations · SES correlations
