Eos Energy Enterprises (EOSE) Options Chain

NASDAQ: EOSEMiscellaneousIndustrial Machinery/ComponentsUSD

2.52-0.245 (-8.86%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $2.52
Put/call ratio (OI): 0.72
Put/call ratio (volume): 0.52
ATM implied volatility: 100.2%
Expected move: ±$1.09
Open interest (C / P): 11.49K / 8.27K

EOSE options summary

The EOSE options chain for the December 18, 2026 expiration lists 13 call and 11 put contracts, with 68 days until expiration. Open interest stands at 11,489 calls and 8,267 puts, a put/call ratio of 0.72, which is fairly balanced between calls and puts. At-the-money implied volatility near the $2.50 strike is 100.2%, which implies the market expects a move of about ±$1.09 (43.2%) in Eos Energy Enterprises stock by expiration.

The most open interest sits at the $5.00 call (2.88K contracts) and the $3.00 put (2.43K contracts).

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

EOSE options chain · December 18, 2026

EOSE 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
10	1	175.0%	2.60	1.75	2.30	0.50	—	—	—	—	—	—
31	5	176.6%	1.57	1.36	1.81	1.00	—	—	—	—	—	—
2	212	95.3%	1.09	0.95	1.17	1.50	0.03	0.07	0.04	101.6%	16	2,409
40	7	116.0%	0.72	0.64	0.87	2.00	0.15	0.21	0.20	99.6%	77	131
1,116	121	96.1%	0.48	0.31	0.54	2.50	0.41	0.47	0.45	104.3%	150	812
EOSE $2.52
783	241	106.6%	0.30	0.25	0.35	3.00	0.71	0.83	0.79	104.3%	296	2,432
1,292	306	111.3%	0.22	0.16	0.26	3.50	1.11	1.25	1.11	109.0%	53	705
1,081	323	113.7%	0.16	0.12	0.17	4.00	1.45	1.70	1.63	98.4%	150	907
987	150	118.0%	0.10	0.08	0.14	4.50	1.90	2.20	1.97	103.9%	7	272
2,884	113	118.0%	0.09	0.06	0.09	5.00	2.38	2.68	2.45	107.0%	6	385
606	6	126.6%	0.06	0.05	0.09	5.50	2.89	3.20	2.90	124.2%	8	56
1,227	5	131.3%	0.05	0.02	0.10	6.00	3.30	3.65	3.38	172.7%	5	112
1,430	15	128.1%	0.05	0.01	0.05	7.00	4.25	4.75	4.38	120.3%	9	46

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 EOSE put/call ratio?

For the December 18, 2026 expiration, the EOSE put/call ratio based on open interest is 0.72 (8,267 puts vs 11,489 calls), and 0.52 based on today's volume. A ratio above 1 means more puts than calls.

What is EOSE's implied volatility?

At-the-money implied volatility for EOSE options expiring December 18, 2026 is about 100.2%, an annualized estimate of how much the market expects Eos Energy Enterprises stock to move.

How many EOSE option expiration dates are there?

EOSE has 18 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.