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: Nov 20, 2026
Days to expiration: 41
Share price: $1.68
Put/call ratio (OI): 0.71
Put/call ratio (volume): 0.67
ATM implied volatility: 79.3%
Expected move: ±$0.4465
Open interest (C / P): 7.74K / 5.49K

PLUG options summary

The PLUG options chain for the November 20, 2026 expiration lists 8 call and 6 put contracts, with 41 days until expiration. Open interest stands at 7,737 calls and 5,486 puts, a put/call ratio of 0.71, which is fairly balanced between calls and puts. At-the-money implied volatility near the $1.50 strike is 79.3%, which implies the market expects a move of about ±$0.4465 (26.6%) in Plug Power stock by expiration.

The most open interest sits at the $2.00 call (3.46K contracts) and the $2.00 put (3.64K contracts).

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

PLUG options chain · November 20, 2026

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
1	2	262.5%	1.20	0.98	1.44	0.50	—	—	—	—	—	—
3	—	254.7%	0.93	0.49	0.86	1.00	0.00	0.01	0.01	81.3%	1	2
359	49	84.4%	0.29	0.25	0.32	1.50	0.07	0.10	0.07	74.2%	73	1,772
PLUG $1.68
3,455	225	83.6%	0.08	0.08	0.09	2.00	0.34	0.41	0.38	68.0%	146	3,641
1,637	53	95.3%	0.03	0.03	0.04	2.50	0.77	0.91	0.70	82.8%	8	53
1,831	4	114.1%	0.02	0.01	0.04	3.00	1.09	1.51	1.09	214.8%	2	18
180	13	128.1%	0.01	0.00	0.04	3.50	1.56	2.03	1.57	250.8%	10	0
271	14	137.5%	0.01	0.01	0.02	4.00	—	—	—	—	—	—

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 PLUG put/call ratio?

For the November 20, 2026 expiration, the PLUG put/call ratio based on open interest is 0.71 (5,486 puts vs 7,737 calls), and 0.67 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 November 20, 2026 is about 79.3%, 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.