ALMS vs VOO: Correlation
How closely do Alumis Inc. (ALMS) and Vanguard S&P 500 ETF (VOO) trade together? Their weekly returns over three years give a correlation of -0.15, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALMS and VOO?
On 3 years of weekly data the ALMS/VOO correlation comes out at -0.15, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.05) than the 3-year average (-0.15). The 5-year figure is n/a, and annualized covariance runs at -301.0 %².
Within ALMS's tracked universe of 92 assets, VOO comes in at #16 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ALMS outperformed by 351.1 percentage points (+371.7% for ALMS against +20.6% for VOO). One caveat on sizing: ALMS is 9.0 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.
ALMS vs VOO: side by side
| ALMS (Alumis Inc.) | VOO (Vanguard S&P 500 ETF) | |
|---|---|---|
| 1-year return | +371.7% | +20.6% |
| 5-year return | n/a | +83.0% |
| Volatility (ann.) | 130.0% | 14.4% |
| Beta vs S&P 500 | -1.50 | 0.99 |
| Max drawdown (3Y) | -78.9% | -18.7% |
| Market cap | $3.0B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.07% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $1,686.9B |
| Sector / category | US Listed | ETF · US Large Cap |
VOO, Vanguard's Large Blend fund, carries $1,686.9B under management, 503 holdings, a 0.03% expense ratio, a 1.07% trailing dividend yield.
Year-by-year returns
| Year | ALMS | VOO |
|---|---|---|
| 2022 | – | -18.2% |
| 2023 | – | +26.3% |
| 2024 | – | +25.0% |
| 2025 | +24.2% | +17.8% |
| 2026 | +137.8% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALMS and VOO good diversifiers for each other?
By historical standards, yes. A correlation of -0.15 means the two rarely move for the same reasons.
FAQ
What is the correlation between ALMS and VOO?
As of 2026-08-27, the correlation of weekly returns between ALMS and VOO is -0.15 over 3 years, 0.05 over 1 year and n/a over 5 years.
Is VOO a good diversifier for ALMS?
By historical standards, yes. A correlation of -0.15 means the two rarely move for the same reasons.
What does a correlation of -0.15 mean?
On the −1 to +1 scale, -0.15 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.
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Related comparisons
Hubs: ALMS correlations · VOO correlations
