Option chain for Siga Technologies (SIGA): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Nov 3, 2026, SIGA had 5 option expirations, from Nov 20, 2026 to Jun 17, 2027, and 167 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 45.9% (-3% on the day) and 107 contracts traded.

For the latest figures, see SIGA options overview.

Key numbers

Expirations: at-the-money implied volatility, change on the day, volume

Nov 20, 2026 (17 days): ATM IV 45.9% (-3%), volume 107
Dec 18, 2026 (45 days): ATM IV 45.9% (-3%), volume 0
Jan 15, 2027 (73 days): ATM IV 45.9% (-3%), volume 0
Mar 19, 2027 (136 days): ATM IV 31.7% (-59%), volume 60
Jun 17, 2027 (226 days): ATM IV 45.9% (-26%), volume 0

Data as of November 3, 2026.

SIGA Option Chain

Detailed and comprehensive option chain for each expiration listed for SIGA. Includes volume, open interest, implied volatility, and bid/ask for each strike. Investigate further by clicking on a strike and seeing trade activity, volatility movement, and yesterday's closing values. Use the built-in options profit calculator to see the profit or loss of any SIGA options strategy.

▲ Close