SIGA Technologies (SIGA) Options Chain

NASDAQ: SIGAHealth CareBiotechnology: Pharmaceutical PreparationsUSD

3.280.00 (0.00%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $3.28
Put/call ratio (OI): 0.11
Put/call ratio (volume): 0.19
ATM implied volatility: 102.7%
Expected move: ±$1.73
Open interest (C / P): 3.62K / 391

SIGA options summary

The SIGA options chain for the January 15, 2027 expiration lists 20 call and 18 put contracts, with 96 days until expiration. Open interest stands at 3,623 calls and 391 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $3.00 strike is 102.7%, which implies the market expects a move of about ±$1.73 (52.7%) in SIGA Technologies stock by expiration.

The most open interest sits at the $7.00 call (1.42K contracts) and the $3.80 put (105 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

SIGA options chain · January 15, 2027

SIGA calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
80	3	203.9%	1.68	0.10	3.70	1.80	0.00	1.75	0.50	332.0%	—	33
0	1	—	2.65	0.00	0.00	2.40	0.00	0.00	0.50	25.0%	1	0
12	2	—	3.86	0.00	0.00	3.00	0.00	1.05	1.12	102.7%	2	30
SIGA $3.28
803	285	98.0%	0.35	0.05	0.90	3.80	0.35	1.20	1.00	64.8%	1	105
0	1	12.5%	1.59	0.00	0.00	4.40	0.00	0.00	0.60	—	1	0
148	45	25.0%	2.85	0.00	0.00	5.00	0.00	0.00	1.15	—	1	82
947	4	105.5%	0.14	0.10	0.25	5.80	0.80	4.90	2.25	133.2%	1	20
0	2	25.0%	0.75	0.00	0.00	6.40	0.00	0.00	1.35	—	2	0
1,417	1	144.5%	0.10	0.10	0.45	7.00	0.00	0.00	2.28	—	6	17
0	10	50.0%	0.05	0.00	0.00	8.80	4.00	5.20	4.09	—	—	9
0	2	50.0%	0.28	0.00	0.00	9.40	3.60	4.80	4.40	—	4	9
7	1	50.0%	1.11	0.00	0.00	10.00	0.00	0.00	4.80	—	7	9
26	1	205.5%	0.10	0.00	0.75	10.80	4.20	8.40	6.22	285.0%	—	—
0	1	433.4%	3.80	0.00	3.60	11.40	5.30	6.30	6.22	—	34	29
23	1	50.0%	0.65	0.00	0.00	12.00	0.00	0.00	6.19	—	9	46
45	20	203.1%	0.05	0.00	0.50	13.80	7.10	11.40	8.98	308.2%	—	—
72	20	261.3%	0.30	0.00	1.10	14.40	8.30	10.90	8.98	—	—	1
0	3	50.0%	0.20	0.00	0.00	15.00	0.00	0.00	8.98	—	8	1
37	1	449.2%	0.40	0.00	3.40	16.40	—	—	—	—	—	—
6	1	477.5%	0.60	0.10	3.60	17.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the SIGA put/call ratio?

For the January 15, 2027 expiration, the SIGA put/call ratio based on open interest is 0.11 (391 puts vs 3,623 calls), and 0.19 based on today's volume. A ratio above 1 means more puts than calls.

What is SIGA's implied volatility?

At-the-money implied volatility for SIGA options expiring January 15, 2027 is about 102.7%, an annualized estimate of how much the market expects SIGA Technologies stock to move.

How many SIGA option expiration dates are there?

SIGA has 5 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.