ALT vs MBI: Correlation
Altimmune, Inc. (ALT) and MBIA Inc. (MBI) show a moderate relationship: their 3-year correlation of weekly returns is 0.43.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALT and MBI?
On 3 years of weekly data the ALT/MBI correlation comes out at 0.43, moderate. The past 12 months show a weaker link (0.10) than the 3-year average (0.43). The 5-year figure is 0.33, and annualized covariance runs at 2790.5 %².
Among the 13 assets we track against ALT, MBI ranks #5 by 3-year correlation. The last year tells two different stories: ALT led by 29.3 percentage points, -11.7% for ALT against -41.0% for MBI.
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.
ALT vs MBI: side by side
| ALT (Altimmune, Inc.) | MBI (MBIA Inc.) | |
|---|---|---|
| 1-year return | -11.7% | -41.0% |
| 5-year return | -77.0% | -0.5% |
| Volatility (ann.) | 94.4% | 68.8% |
| Beta vs S&P 500 | 1.91 | 0.81 |
| Max drawdown (3Y) | -81.2% | -51.9% |
| Market cap | $0.6B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALT | MBI |
|---|---|---|
| 2022 | +79.6% | -18.6% |
| 2023 | -31.6% | +9.2% |
| 2024 | -35.9% | +5.6% |
| 2025 | -49.9% | +10.8% |
| 2026 | -10.2% | -33.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALT and MBI good diversifiers for each other?
Reasonably. At 0.43, ALT and MBI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ALT and MBI?
The ALT/MBI correlation stands at 0.43 on a 3-year window (1 year: 0.10, 5 years: 0.33), computed from weekly returns as of 2026-08-27.
Is MBI a good diversifier for ALT?
Reasonably. At 0.43, ALT and MBI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.43 mean?
A reading of 0.43 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: ALT correlations · MBI correlations
