SIGA vs SRTS: Correlation
SIGA Technologies Inc. (SIGA) and Sensus Healthcare, Inc. (SRTS) show a negative relationship: their 3-year correlation of weekly returns is -0.20.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SIGA and SRTS?
Across a 3-year window, the weekly returns of SIGA and SRTS correlate at -0.20, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.36 versus -0.20 over 3 years. Stretching to 5 years gives -0.01, with an annualized covariance of -968.8 %².
Out of 15 assets tracked against SIGA, SRTS lands near the bottom at #13. The last year tells two different stories: SRTS led by 64.1 percentage points, -58.1% for SIGA against +6.0% for SRTS.
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.
SIGA vs SRTS: side by side
| SIGA (SIGA Technologies Inc.) | SRTS (Sensus Healthcare, Inc.) | |
|---|---|---|
| 1-year return | -58.1% | +6.0% |
| 5-year return | -27.3% | -7.4% |
| Volatility (ann.) | 64.1% | 74.0% |
| Beta vs S&P 500 | 1.22 | 0.77 |
| Max drawdown (3Y) | -70.1% | -70.1% |
| Market cap | $0.2B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SIGA | SRTS |
|---|---|---|
| 2022 | +4.2% | +2.8% |
| 2023 | -17.6% | -68.2% |
| 2024 | +15.2% | +193.2% |
| 2025 | +12.3% | -42.5% |
| 2026 | -43.4% | -15.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SIGA and SRTS good diversifiers for each other?
Yes. With a correlation of -0.20, SIGA and SRTS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between SIGA and SRTS?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.36 over the last year and -0.01 over 5 years.
Is SRTS a good diversifier for SIGA?
Yes. With a correlation of -0.20, SIGA and SRTS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.20 mean?
On the −1 to +1 scale, -0.20 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/siga-vs-srts.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/siga-vs-srts/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: SIGA correlations · SRTS correlations
