FuelCell Energy (FCEL) Options Chain

NASDAQ: FCELEnergyIndustrial Machinery/ComponentsUSD

18.03+0.785 (+4.55%)

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

Expiration date

Expiration: Oct 23, 2026
Days to expiration: 13
Share price: $18.03
Put/call ratio (OI): 0.96
Put/call ratio (volume): 0.76
ATM implied volatility: 88.0%
Expected move: ±$3.00
Open interest (C / P): 5.22K / 4.99K

FCEL options summary

The FCEL options chain for the October 23, 2026 expiration lists 21 call and 15 put contracts, with 13 days until expiration. Open interest stands at 5,217 calls and 4,991 puts, a put/call ratio of 0.96, which is fairly balanced between calls and puts. At-the-money implied volatility near the $18.00 strike is 88.0%, which implies the market expects a move of about ±$3.00 (16.6%) in FuelCell Energy stock by expiration.

The most open interest sits at the $20.00 call (3.52K contracts) and the $14.00 put (3.54K contracts).

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

FCEL options chain · October 23, 2026

FCEL 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
—	—	—	—	—	—	8.00	0.00	0.20	0.05	243.0%	1	251
—	—	—	—	—	—	9.00	0.00	0.10	0.10	185.9%	—	2
—	—	—	—	—	—	10.00	0.00	0.25	0.20	192.2%	—	1
1	—	200.4%	5.34	5.70	7.30	11.00	0.00	0.25	0.05	165.6%	10	63
19	15	204.7%	6.50	4.70	6.50	12.00	0.00	0.30	0.04	147.3%	1	506
1	1	160.7%	3.90	3.80	5.40	13.00	0.00	0.15	0.05	105.1%	39	48
32	4	146.5%	3.10	3.20	4.50	14.00	0.05	0.25	0.17	101.2%	32	3,537
42	8	86.3%	2.80	2.95	3.50	15.00	0.20	0.30	0.30	93.8%	19	83
270	7	54.5%	2.05	1.65	2.65	16.00	0.35	0.70	0.65	97.7%	6	111
207	22	89.1%	1.51	1.60	2.00	17.00	0.65	1.05	1.15	95.2%	363	134
165	280	84.3%	1.15	1.00	1.40	18.00	0.95	1.60	1.80	91.8%	2	110
FCEL $18.03
188	16	86.5%	0.65	0.65	1.00	19.00	1.40	2.20	2.30	86.9%	8	25
3,515	204	92.0%	0.61	0.45	0.75	20.00	2.35	2.95	2.30	98.4%	35	72
114	1	93.2%	0.37	0.30	0.50	21.00	3.20	4.30	3.30	125.8%	24	47
127	4	95.7%	0.25	0.20	0.35	22.00	—	—	—	—	—	—
64	2	99.4%	0.15	0.10	0.30	23.00	—	—	—	—	—	—
96	100	107.4%	0.13	0.10	0.25	24.00	—	—	—	—	—	—
245	35	109.4%	0.15	0.00	0.25	25.00	—	—	—	—	—	—
28	3	119.1%	0.11	0.00	0.25	26.00	6.90	9.40	9.70	129.3%	1	1
14	2	122.7%	0.11	0.00	0.20	27.00	—	—	—	—	—	—
65	10	130.9%	0.30	0.00	0.20	28.00	—	—	—	—	—	—
22	2	144.9%	0.12	0.00	0.25	29.00	—	—	—	—	—	—
1	—	152.3%	0.15	0.00	0.15	32.00	—	—	—	—	—	—
1	—	155.5%	0.15	0.00	0.10	34.00	—	—	—	—	—	—

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 FCEL put/call ratio?

For the October 23, 2026 expiration, the FCEL put/call ratio based on open interest is 0.96 (4,991 puts vs 5,217 calls), and 0.76 based on today's volume. A ratio above 1 means more puts than calls.

What is FCEL's implied volatility?

At-the-money implied volatility for FCEL options expiring October 23, 2026 is about 88.0%, an annualized estimate of how much the market expects FuelCell Energy stock to move.

How many FCEL option expiration dates are there?

FCEL has 10 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.