Siga Technologies Inc (SIGA) returns
Siga Technologies returns over 10 years
$1,000 invested in Siga Technologies ten years ago was worth $2,043 at the close on October 30, 2026, with dividends reinvested: an average return of 7.4% a year. The same $1,000 in the S&P 500 (SPY) became $4,166.
Total return by period
| Period | Total return | A year, on average | $1,000 became | S&P 500 (SPY) |
|---|---|---|---|---|
| 1 month | -10.6% | — | $894.12 | -0.9% |
| 3 months | -6.5% | — | $935.39 | +2.1% |
| Year to date | -43.7% | — | $563.44 | +11.7% |
| 1 year | -58.6% | — | $414.28 | +12.4% |
| 3 years | -18.3% | -6.5% | $816.51 | +88.5% |
| 5 years | -35.4% | -8.4% | $646.18 | +76.0% |
| 10 years | +104.3% | +7.4% | $2,043 | +316.6% |
Siga Technologies return by calendar year
| Year | SIGA | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | -43.7% | +11.7% | -55.3% |
| 2025 | +12.3% | +17.7% | -5.5% |
| 2024 | +15.0% | +24.9% | -9.9% |
| 2023 | -18.0% | +26.2% | -44.2% |
| 2022 | +3.9% | -18.2% | +22.0% |
| 2021 | +3.4% | +28.7% | -25.3% |
| 2020 | +52.4% | +18.4% | +34.0% |
| 2019 | -39.6% | +31.2% | -70.8% |
| 2018 | +62.9% | -4.6% | +67.4% |
| 2017 | +68.4% | +21.7% | +46.7% |
| 2016 | +585.7% | +12.0% | +573.7% |
Past returns do not predict future returns. Returns are computed from our daily closes, adjusted for splits and with dividends reinvested on their ex-dates; taxes and trading costs are left out.
See also: SIGA financials · SIGA valuation
No forecast, no recommendation. This page describes Siga Technologies Inc from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.