Agenus (AGEN) Options Chain

NASDAQ: AGENHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD

7.67+0.13 (+1.72%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $7.67
Put/call ratio (OI): 0.61
Put/call ratio (volume): 0.44
ATM implied volatility: 103.6%
Expected move: ±$2.63
Open interest (C / P): 3.35K / 2.06K

AGEN options summary

The AGEN options chain for the November 20, 2026 expiration lists 14 call and 9 put contracts, with 40 days until expiration. Open interest stands at 3,353 calls and 2,059 puts, a put/call ratio of 0.61, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $8.00 strike is 103.6%, which implies the market expects a move of about ±$2.63 (34.3%) in Agenus stock by expiration.

The most open interest sits at the $7.00 call (1.17K contracts) and the $3.00 put (881 contracts).

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

AGEN options chain · November 20, 2026

AGEN 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
3	10	—	6.55	4.60	8.60	1.00	—	—	—	—	—	—
19	2	259.4%	2.26	3.30	6.60	3.00	0.00	0.05	0.03	146.9%	211	881
28	1	133.6%	5.90	3.60	3.90	4.00	0.00	0.65	0.05	202.3%	10	35
9	1	75.8%	4.16	2.10	3.30	5.00	0.00	0.65	0.10	148.1%	5	4
313	1	117.6%	3.70	1.70	2.50	6.00	0.00	0.90	0.35	120.3%	2	61
1,174	1	105.7%	1.45	1.00	1.80	7.00	0.20	1.20	0.75	102.5%	7	519
AGEN $7.67
857	1	96.5%	0.75	0.45	1.25	8.00	0.85	1.80	1.30	110.7%	1	73
448	510	108.4%	0.50	0.25	1.05	9.00	1.45	2.35	2.07	100.4%	4	486
468	10	96.5%	0.28	0.15	0.50	10.00	0.00	0.00	2.85	—	1	0
23	6	114.5%	0.40	0.00	0.65	11.00	—	—	2.84	—	—	—
4	1	143.4%	0.20	0.00	0.65	13.00	—	—	—	—	—	—
5	—	117.2%	0.10	0.00	0.15	15.00	—	—	—	—	—	—
1	—	176.2%	0.45	0.00	0.65	16.00	—	—	—	—	—	—
1	—	137.5%	0.26	0.00	0.10	19.00	—	—	—	—	—	—

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 AGEN put/call ratio?

For the November 20, 2026 expiration, the AGEN put/call ratio based on open interest is 0.61 (2,059 puts vs 3,353 calls), and 0.44 based on today's volume. A ratio above 1 means more puts than calls.

What is AGEN's implied volatility?

At-the-money implied volatility for AGEN options expiring November 20, 2026 is about 103.6%, an annualized estimate of how much the market expects Agenus stock to move.

How many AGEN option expiration dates are there?

AGEN has 7 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.