ARQ vs SIGA: Correlation
How closely do Arq, Inc. (ARQ) and SIGA Technologies Inc. (SIGA) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARQ and SIGA?
Over the past 3 years, ARQ and SIGA moved with a correlation of 0.55, which is moderate. Little has changed lately, as the 1-year reading of 0.55 lands near the 3-year figure. Over 5 years the correlation is 0.34, and the annualized covariance of weekly returns is 2802.1 %².
Few assets follow ARQ as closely as SIGA, which ranks #2 of 15 tracked partners. The trailing year gives SIGA the advantage: -71.1% versus -58.1%, a 13.0-point spread.
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.
ARQ vs SIGA: side by side
| ARQ (Arq, Inc.) | SIGA (SIGA Technologies Inc.) | |
|---|---|---|
| 1-year return | -71.1% | -58.1% |
| 5-year return | -67.7% | -27.3% |
| Volatility (ann.) | 78.9% | 64.1% |
| Beta vs S&P 500 | 1.85 | 1.22 |
| Max drawdown (3Y) | -79.6% | -70.1% |
| Market cap | $0.1B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ARQ | SIGA |
|---|---|---|
| 2022 | -63.3% | +4.2% |
| 2023 | +22.6% | -17.6% |
| 2024 | +154.0% | +15.2% |
| 2025 | -56.8% | +12.3% |
| 2026 | -32.7% | -43.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARQ and SIGA good diversifiers for each other?
Only partially. A correlation of 0.55 means ARQ and SIGA 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 ARQ and SIGA?
The ARQ/SIGA correlation stands at 0.55 on a 3-year window (1 year: 0.55, 5 years: 0.34), computed from weekly returns as of 2026-08-27.
Is SIGA a good diversifier for ARQ?
Only partially. A correlation of 0.55 means ARQ and SIGA share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.55 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/arq-vs-siga.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/arq-vs-siga/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ARQ correlations · SIGA correlations
