ALT vs DEC: Correlation
Measured on weekly returns over the past three years, Altimmune, Inc. (ALT) and Diversified Energy Company (DEC) carry a correlation of 0.52, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALT and DEC?
On 3 years of weekly data the ALT/DEC correlation comes out at 0.52, moderate. The past 12 months show a weaker link (-0.13) than the 3-year average (0.52). The 5-year figure is n/a, and annualized covariance runs at nan %².
In ALT's tracked universe of 13 assets, DEC sits right near the top at #1. Over the last 12 months DEC came out ahead by 11.0 percentage points (-11.7% against -0.7%).
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 DEC: side by side
| ALT (Altimmune, Inc.) | DEC (Diversified Energy Company) | |
|---|---|---|
| 1-year return | -11.7% | -0.7% |
| 5-year return | -77.0% | n/a |
| Volatility (ann.) | 94.4% | n/a |
| Beta vs S&P 500 | 1.91 | nan |
| Max drawdown (3Y) | -81.2% | -36.6% |
| Market cap | $0.6B | $1.0B |
| P/E (trailing) | – | 2.5 |
| Dividend yield | 0.00% | 7.77% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ALT | DEC |
|---|---|---|
| 2022 | +79.6% | – |
| 2023 | -31.6% | +inf% |
| 2024 | -35.9% | +30.4% |
| 2025 | -49.9% | -4.7% |
| 2026 | -10.2% | +8.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALT and DEC good diversifiers for each other?
Only partially. A correlation of 0.52 means ALT and DEC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between ALT and DEC?
Using weekly returns as of 2026-08-27: 0.52 over 3 years, with -0.13 over the last year and n/a over 5 years.
Is DEC a good diversifier for ALT?
Only partially. A correlation of 0.52 means ALT and DEC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.52 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/alt-vs-dec.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/alt-vs-dec/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ALT correlations · DEC correlations
