SIGA Technologies (SIGA) Options Chain
NASDAQ: SIGAHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Mar 19, 2027
- Days to expiration
- 159
- Share price
- $3.28
- Put/call ratio (OI)
- 0.11
- Put/call ratio (volume)
- 4.61
- Expected move
- ±$1.46
- Open interest (C / P)
- 1.31K / 150
SIGA options summary
The SIGA options chain for the March 19, 2027 expiration lists 5 call and 2 put contracts, with 159 days until expiration. Open interest stands at 1,314 calls and 150 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 67.3%, which implies the market expects a move of about ±$1.46 (44.4%) in SIGA Technologies stock by expiration.
The most open interest sits at the $4.00 call (946 contracts) and the $3.00 put (136 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
SIGA options chain · March 19, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.55 | 1.00 | 2.15 | 2.00 | — | — | — | |||||
| 0.75 | 0.50 | 1.00 | 3.00 | 0.05 | 0.70 | 0.45 | |||||
| 0.40 | 0.25 | 0.70 | 4.00 | — | — | — | |||||
| 0.24 | 0.00 | 0.50 | 5.00 | 0.75 | 4.00 | 2.39 | |||||
| 0.32 | 0.00 | 0.00 | 7.00 | — | — | — | |||||
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 March 19, 2027 expiration, the SIGA put/call ratio based on open interest is 0.11 (150 puts vs 1,314 calls), and 4.61 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 March 19, 2027 is about 67.3%, 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.