Emergent BioSolutions (EBS) Options Chain
NYSE: EBSHealthcareDrug Manufacturers - Specialty & GenericUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $7.06
- Put/call ratio (OI)
- 0.17
- Put/call ratio (volume)
- 1.50
- Expected move
- ±$2.09
- Open interest (C / P)
- 490 / 85
EBS options summary
The EBS options chain for the November 20, 2026 expiration lists 3 call and 3 put contracts, with 40 days until expiration. Open interest stands at 490 calls and 85 puts, a put/call ratio of 0.17, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.00 strike is 89.4%, which implies the market expects a move of about ±$2.09 (29.6%) in Emergent BioSolutions stock by expiration.
The most open interest sits at the $8.00 call (243 contracts) and the $6.00 put (37 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
EBS options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 5.00 | 0.00 | 0.95 | 0.25 | |||||
| — | — | — | 6.00 | 0.15 | 0.65 | 0.40 | |||||
| 0.81 | 0.60 | 1.10 | 7.00 | 0.55 | 1.10 | 0.90 | |||||
| 0.40 | 0.30 | 0.60 | 8.00 | — | — | — | |||||
| 0.25 | 0.05 | 0.45 | 9.00 | — | — | — | |||||
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 EBS put/call ratio?
For the November 20, 2026 expiration, the EBS put/call ratio based on open interest is 0.17 (85 puts vs 490 calls), and 1.50 based on today's volume. A ratio above 1 means more puts than calls.
What is EBS's implied volatility?
At-the-money implied volatility for EBS options expiring November 20, 2026 is about 89.4%, an annualized estimate of how much the market expects Emergent BioSolutions stock to move.
How many EBS option expiration dates are there?
EBS 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.