Plug Power (PLUG) Options Chain

NASDAQ: PLUGEnergyIndustrial Machinery/ComponentsUSD

1.68-0.05 (-2.89%)

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

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 468
Share price: $1.68
Put/call ratio (OI): 0.20
Put/call ratio (volume): 0.07
ATM implied volatility: 76.2%
Expected move: ±$1.45
Open interest (C / P): 169.70K / 34.43K

PLUG options summary

The PLUG options chain for the January 21, 2028 expiration lists 12 call and 12 put contracts, with 468 days until expiration. Open interest stands at 169,699 calls and 34,434 puts, a put/call ratio of 0.20, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.50 strike is 76.2%, which implies the market expects a move of about ±$1.45 (86.3%) in Plug Power stock by expiration.

The most open interest sits at the $3.00 call (43.63K contracts) and the $3.00 put (8.56K contracts).

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

PLUG options chain · January 21, 2028

PLUG 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
3,008	26	98.4%	1.23	1.17	1.32	0.50	0.02	0.05	0.04	81.3%	2	1,575
8,464	169	82.8%	0.89	0.88	0.90	1.00	0.17	0.23	0.16	80.9%	12	3,376
6,551	74	84.0%	0.67	0.65	0.70	1.50	0.36	0.43	0.42	68.4%	20	4,702
PLUG $1.68
13,877	62	84.2%	0.53	0.50	0.55	2.00	0.66	0.97	0.79	80.1%	12	4,656
15,197	107	84.8%	0.42	0.40	0.44	2.50	1.08	1.40	1.12	84.8%	6	3,978
43,631	410	84.8%	0.34	0.33	0.35	3.00	1.48	1.64	1.52	71.3%	4	8,557
5,313	13	86.9%	0.27	0.26	0.33	3.50	1.94	2.09	1.94	73.0%	6	1,167
14,210	80	85.2%	0.24	0.22	0.25	4.00	2.36	2.87	2.87	93.8%	1	646
6,856	12	80.9%	0.20	0.08	0.26	4.50	2.76	3.10	2.80	70.7%	1	51
13,817	22	87.1%	0.17	0.17	0.19	5.00	3.25	3.50	3.32	63.3%	3	381
9,624	11	78.1%	0.17	0.00	0.21	5.50	3.50	3.65	3.62	—	1	111
29,151	97	94.1%	0.13	0.13	0.15	7.00	5.20	5.35	5.00	68.0%	9	5,234

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 PLUG put/call ratio?

For the January 21, 2028 expiration, the PLUG put/call ratio based on open interest is 0.20 (34,434 puts vs 169,699 calls), and 0.07 based on today's volume. A ratio above 1 means more puts than calls.

What is PLUG's implied volatility?

At-the-money implied volatility for PLUG options expiring January 21, 2028 is about 76.2%, an annualized estimate of how much the market expects Plug Power stock to move.

How many PLUG option expiration dates are there?

PLUG has 11 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.