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Plug Power Inc. (PLUG)

Overview · Option chain · Volatility · Expected-move history · Earnings

Price (delayed) 2.09
Expected moveThe size of the up-or-down move the options market is pricing for a stock by a given date, read from option prices (the at-the-money straddle). It is a market-implied estimate, not a forecast. · Sep 18 ±11.6%
Expected range 1.872.36
IV30Implied volatility interpolated to a constant 30-day horizon from the expirations around it, so different stocks and dates can be compared fairly.71.0%
IV percentileWhere this IV30 ranks across all securities we cover today (a cross-sectional comparison, not the stock's own history). 95/universe
P/C volumePut volume (or open interest) divided by call volume (or open interest). A descriptive activity measure — it does not by itself say what traders expect.0.46
P/C open interest0.26
Next earnings Nov 09

Cboe delayed options data · as of 06:41 UTC · Figures derived from the full chain (218 contracts, 11 expirations) · IV own-history percentile appears after 60 recorded days (3 so far)

Expected move — Sep 18, 2026 (15 days)

Methodology →

Read from option prices: the at-the-money straddle costs this much, so the market is pricing a move of about that size in either direction by this date. It is an estimate of movement, not a prediction of direction.

1.872.362.12 current

Options are pricing a move of about ±11.6% (range 1.87–2.36) by Sep 18, 2026. ATM straddle: 0.245 @ strike 2 · ATM IV: 65.6%.

Probability distribution

Model & assumptions →

The curve shows where a lognormal model, fed with current implied volatility, puts the range of outcomes at this expiration. Shaded: the expected-move band.

2.121.872.36
expected-move bandmodel density
Levelvs priceP(above)Model-estimated chance the stock finishes above a level at expiration, derived from current IV under a lognormal model with stated assumptions — an estimate, not a prediction.P(below)
1.90 -10% 77.0% 23.0%
2.01 -5% 62.4% 37.6%
2.12 +0% 46.6% 53.4%
2.22 +5% 33.3% 66.7%
2.33 +10% 21.4% 78.6%

Model-estimated probabilities of finishing above/below each level at expiration — estimates under stated assumptions, not predictions.

Probability explorer

Drag the slider to any level and see the model-estimated chance the stock finishes above or below it at the selected expiration.

P(finish above)
P(finish below)
P(touch, approx.)

Horizon: Sep 18, 2026 · lognormal model, zero drift — an estimate, not a prediction. Assumptions

ExpiresDTEDays to expiration, in calendar days.Implied moveATM IVOpen int.
Sep 04, 2026 1 ±5.4% 60.9% 18.8K
Sep 11, 2026 8 ±8.5% 58.9% 7,797
Sep 18, 2026 15 ±11.6% 65.6% 146.7K
Sep 25, 2026 22 ±14.2% 69.1% 6,386
Oct 02, 2026 29 ±16.3% 70.4% 3,873
Oct 09, 2026 36 ±18.7% 73.5% 4,268
Oct 16, 2026 43 ±19.4% 70.1% 4,589
Dec 18, 2026 106 ±34.0% 81.3% 92.5K
Jan 15, 2027 134 ±38.1% 81.5% 355.1K
Mar 19, 2027 197 ±47.3% 84.7% 13.9K

Open interest by strike — Sep 18

Where option positions are concentrated. Teal bars are calls, red bars are puts; the dashed line is the current price.

2.002.502.12
callsputs

Largest open-interest concentrations (all expirations ≤ 60 days): 2.5 C · 27.1K3 C · 23.3K2 P · 15.2K3 P · 14.3K2 C · 11.0K

IV term structure

Volatility page →

At-the-money implied volatility for each expiration. A hump around a date often marks a scheduled event the market is pricing.

55%67%78%90%1d29d197d

When does open interest expire?

23%This month73%Later

Implied vs realized volatility

56.0%61.6%67.1%72.6%Aug 31Sep 02
IV30HV20

HV from our stored daily closes (annualized); IV30 interpolated from the chain. Method

Price, last 60 sessions

Track record

Full history →

Every trading day we record what the options market is pricing for each expiration — before the outcome is known. Once expirations start resolving, this section compares expected versus actual, and the record is never rewritten. Recording since Aug 31, 2026.

Past earnings reactions

Nov 24-1.0%Mar 25+0.6%May 25-5.7%Aug 25+2.0%Nov 25-4.5%Mar 26+24.6%May 26+14.1%Aug 26+1.8%
implied (when recorded)actual reaction

Avg |reaction| 9.5% · median 5.5% (20 reports) — two-session close-to-close window; definition

About Plug Power Inc.

Plug Power Inc. specializes in providing comprehensive clean hydrogen and zero-emission fuel cell solutions. These innovative offerings cater to various sectors, including supply chain and logistics, on-road electric vehicles, and stationary power generation, with operations spanning North America and international markets. The company is actively constructing an end-to-end green hydrogen ecosystem, encompassing its production, efficient storage and delivery, and subsequent energy generation for both mobile and fixed applications. Its technological portfolio includes advanced proton exchange membrane (PEM) and fuel cell systems, fuel processing capabilities, and innovative fuel cell/battery hybrid designs. Furthermore, Plug Power develops the essential infrastructure for green hydrogen generation, storage, and dispensing. Among its flagship offerings is GenDrive, a hydrogen-powered PEM fuel cell system specifically engineered for material handling electric vehicles. GenFuel provides a complete liquid hydrogen fueling solution, covering generation, storage, delivery, and dispensing. GenCare is an IoT-driven service program that ensures ongoing maintenance and on-site support for var

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