Emergent BioSolutions (EBS) Options Chain

NYSE: EBSHealth CareBiotechnology: Pharmaceutical PreparationsUSD

7.06+0.25 (+3.67%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $7.06
Put/call ratio (OI): 0.23
Put/call ratio (volume): 4.53
ATM implied volatility: 72.1%
Expected move: ±$2.20
Open interest (C / P): 2.18K / 511

EBS options summary

The EBS options chain for the December 18, 2026 expiration lists 13 call and 9 put contracts, with 68 days until expiration. Open interest stands at 2,178 calls and 511 puts, a put/call ratio of 0.23, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.00 strike is 72.1%, which implies the market expects a move of about ±$2.20 (31.1%) in Emergent BioSolutions stock by expiration.

The most open interest sits at the $8.00 call (1.12K contracts) and the $8.00 put (450 contracts).

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

EBS options chain · December 18, 2026

EBS 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
1	1	179.3%	3.10	2.30	3.60	4.00	0.00	0.75	0.28	153.1%	1	1
557	2	59.4%	1.65	1.65	2.60	5.00	0.00	0.75	0.15	108.6%	10	26
51	1	59.0%	1.75	0.75	1.90	6.00	0.30	0.70	0.60	83.2%	10	10
75	15	71.7%	1.00	0.60	1.20	7.00	0.60	1.10	0.95	72.5%	1	3
EBS $7.06
1,118	37	77.0%	0.74	0.30	0.90	8.00	1.20	1.75	1.50	71.7%	370	450
41	13	80.5%	0.41	0.10	0.70	9.00	0.20	3.30	2.15	161.6%	1	1
205	5	83.8%	0.30	0.00	0.55	10.00	0.00	0.00	5.10	—	10	0
1	1	107.8%	0.11	0.00	0.75	11.00	—	—	—	—	—	—
103	10	86.9%	0.20	0.00	0.25	12.00	3.80	5.60	4.62	147.8%	—	10
2	1	210.6%	1.15	0.00	2.50	13.00	—	—	—	—	—	—
2	2	206.1%	1.00	0.00	2.15	14.00	—	—	—	—	—	—
21	1	147.3%	0.15	0.00	0.75	15.00	6.20	7.70	6.00	—	—	10
1	—	179.5%	0.66	0.20	1.00	16.00	—	—	—	—	—	—

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 December 18, 2026 expiration, the EBS put/call ratio based on open interest is 0.23 (511 puts vs 2,178 calls), and 4.53 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 December 18, 2026 is about 72.1%, 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.