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SIGA Technologies Inc (SIGA)

NASDAQ

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4.570 -0.190 -3.99%

20/04 - Closed. Currency in USD

After Hours

4.580

+0.010

+0.219%

0:46:57 - Real-time Data

Volume: 350,875
Bid/Ask: 0.000 / 0.000
Day's Range: 4.570 - 4.720

Type: Equity

Market: United States

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SIGA Tech Option Chain and Prices

View SIGA Tech option chain data and compare options for SIGA stock. Gain insights into the options market sentiment and the potential trading activity surrounding SIGA Tech stock.

View the call options (the right to buy) and put options (the right to sell), along with their last price, change, volume and implied volatility for SIGA Technologies Inc. Evaluate the prices and premiums associated with these options to make informed decisions about your trading strategies.

Quotes and Analysis, and the Open Positions charts help investors easily find information about the distribution of open options contracts for SIGA stock at various strike prices and expiration dates, and both tables can be toggled between.

Align your trading plan by setting your own filters such as SIGA Tech Options expiration date, calls or puts (or both), and strike price.

Expiration Date:

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Strike Price:

Quotes Analysis

Apr 20, 2026 20:48 GMT

Calls

Puts

Last	Chg.	Bid	Ask	Vol	Strike	Last	Chg.	Bid	Ask	Vol
0	0%	2.25	6.4	0	0.40	0.1	0%	0	0.1	2
SIGA Call 0.40 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolSIGA\|20260515\|0.40C Delta0.9865 Imp Vol8.8393 Bid2.25 Gamma0.0033 Theoretical4.32 Ask6.4 Theta-0.0073 Intrinsic Value4.17 Volume0 Vega0.0004 Time Value-4.17 Open Interest3 Rho0.0001 Delta / Theta-134.3241 SIGA Put 0.40 Exp: May 15, 2026 Last: 0.1 Chg.: 0% SymbolSIGA\|20260515\|0.40P Delta-0.0131 Imp Vol7.532 Bid0 Gamma0.0037 Theoretical0.1 Ask0.1 Theta-0.0061 Intrinsic Value-4.17 Volume2 Vega0.0004 Time Value4.27 Open Interest0 Rho-0.0001 Delta / Theta2.1628
0	0%	1.7	5.4	0	1.40	0	0%	0	0.2	0
SIGA Call 1.40 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolSIGA\|20260515\|1.40C Delta0.9384 Imp Vol5.6138 Bid1.7 Gamma0.0181 Theoretical3.55 Ask5.4 Theta-0.0164 Intrinsic Value3.17 Volume0 Vega0.0015 Time Value-3.17 Open Interest6 Rho0.0005 Delta / Theta-57.2171 SIGA Put 1.40 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolSIGA\|20260515\|1.40P Delta-0.04 Imp Vol3.5068 Bid0 Gamma0.0206 Theoretical0.1 Ask0.2 Theta-0.0072 Intrinsic Value-3.17 Volume0 Vega0.001 Time Value3.17 Open Interest0 Rho-0.0002 Delta / Theta5.5528
0	0%	1.8	2.7	0	2.40	0.2	0%	0	0.3	1
SIGA Call 2.40 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolSIGA\|20260515\|2.40C Delta0.939 Imp Vol1.9052 Bid1.8 Gamma0.053 Theoretical2.25 Ask2.7 Theta-0.0057 Intrinsic Value2.17 Volume0 Vega0.0014 Time Value-2.17 Open Interest0 Rho0.0014 Delta / Theta-164.5568 SIGA Put 2.40 Exp: May 15, 2026 Last: 0.2 Chg.: 0% SymbolSIGA\|20260515\|2.40P Delta-0.0987 Imp Vol2.6055 Bid0 Gamma0.0558 Theoretical0.2 Ask0.3 Theta-0.0108 Intrinsic Value-2.17 Volume1 Vega0.0021 Time Value2.37 Open Interest0 Rho-0.0004 Delta / Theta9.1608
0	0%	0	0	0	4.00	0	0%	0	0	0
SIGA Call 4.00 Exp: Apr 21, 2026 Last: 0 Chg.: 0% Symbol Delta0 Imp Vol0 Bid0 Gamma0 Theoretical0 Ask0 Theta0 Intrinsic Value0.6 Volume0 Vega0 Time Value-0.6 Open Interest0 Rho0 Delta / Theta0 SIGA Put 4.00 Exp: Apr 21, 2026 Last: 0 Chg.: 0% Symbol Delta0 Imp Vol0 Bid0 Gamma0 Theoretical0 Ask0 Theta0 Intrinsic Value-0.6 Volume0 Vega0 Time Value0.6 Open Interest0 Rho0 Delta / Theta0
					4.57	Price @ Apr 20, 2026 20:48 GMT
0	0%	0	0	0	5.00	0	0%	0	0	0
SIGA Call 5.00 Exp: Apr 21, 2026 Last: 0 Chg.: 0% Symbol Delta0 Imp Vol0 Bid0 Gamma0 Theoretical0 Ask0 Theta0 Intrinsic Value-0.4 Volume0 Vega0 Time Value0.4 Open Interest0 Rho0 Delta / Theta0 SIGA Put 5.00 Exp: Apr 21, 2026 Last: 0 Chg.: 0% Symbol Delta0 Imp Vol0 Bid0 Gamma0 Theoretical0 Ask0 Theta0 Intrinsic Value0.4 Volume0 Vega0 Time Value-0.4 Open Interest0 Rho0 Delta / Theta0
0.05	0%	0.05	0.35	109	5.40	0	0%	0.4	1.15	0
SIGA Call 5.40 Exp: May 15, 2026 Last: 0.05 Chg.: 0% SymbolSIGA\|20260515\|5.40C Delta0.1512 Imp Vol0.5682 Bid0.05 Gamma0.3449 Theoretical0.05 Ask0.35 Theta-0.0032 Intrinsic Value-0.83 Volume109 Vega0.0028 Time Value0.88 Open Interest1 Rho0.0004 Delta / Theta-46.5302 SIGA Put 5.40 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolSIGA\|20260515\|5.40P Delta0 Imp Vol0 Bid0.4 Gamma0 Theoretical0 Ask1.15 Theta0 Intrinsic Value0.83 Volume0 Vega0 Time Value-0.83 Open Interest0 Rho0 Delta / Theta0
0	0%	0	0	0	6.00	0	0%	0	0	0
SIGA Call 6.00 Exp: Apr 21, 2026 Last: 0 Chg.: 0% Symbol Delta0 Imp Vol0 Bid0 Gamma0 Theoretical0 Ask0 Theta0 Intrinsic Value-1.4 Volume0 Vega0 Time Value1.4 Open Interest0 Rho0 Delta / Theta0 SIGA Put 6.00 Exp: Apr 21, 2026 Last: 0 Chg.: 0% Symbol Delta0 Imp Vol0 Bid0 Gamma0 Theoretical0 Ask0 Theta0 Intrinsic Value1.4 Volume0 Vega0 Time Value-1.4 Open Interest0 Rho0 Delta / Theta0
0.05	0%	0	0.05	0	6.40	0	0%	1.35	3.2	0
SIGA Call 6.40 Exp: May 15, 2026 Last: 0.05 Chg.: 0% SymbolSIGA\|20260515\|6.40C Delta0.0653 Imp Vol0.7909 Bid0 Gamma0.1345 Theoretical0.03 Ask0.05 Theta-0.0024 Intrinsic Value-1.83 Volume0 Vega0.0015 Time Value1.88 Open Interest3 Rho0.0002 Delta / Theta-26.8218 SIGA Put 6.40 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolSIGA\|20260515\|6.40P Delta-0.6408 Imp Vol2.0431 Bid1.35 Gamma0.1534 Theoretical2.28 Ask3.2 Theta-0.0179 Intrinsic Value1.83 Volume0 Vega0.0045 Time Value-1.83 Open Interest0 Rho-0.0028 Delta / Theta35.8921
0	0%	0	1.95	0	7.40	0	0%	1.1	4.9	0
SIGA Call 7.40 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolSIGA\|20260515\|7.40C Delta0.4771 Imp Vol3.5291 Bid0 Gamma0.0944 Theoretical0.98 Ask1.95 Theta-0.0337 Intrinsic Value-2.83 Volume0 Vega0.0048 Time Value2.83 Open Interest0 Rho0.0008 Delta / Theta-14.1403 SIGA Put 7.40 Exp: May 15, 2026 Last: 0 Chg.: 0% SymbolSIGA\|20260515\|7.40P Delta-0.8047 Imp Vol1.7053 Bid1.1 Gamma0.1363 Theoretical3 Ask4.9 Theta-0.0108 Intrinsic Value2.83 Volume0 Vega0.0033 Time Value-2.83 Open Interest0 Rho-0.0032 Delta / Theta74.6679

Open Positions

Calls

Puts

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SIGA Tech (SIGA) Price Discussion

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Recent Quotes

Name	Price	Chg.	Chg. %
SIGA	4.570	-0.190	-3.99%
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