ERock (EROC) Options Chain

NYSE: EROCEnergyIndustrial Machinery/ComponentsUSD

11.95-0.26 (-2.13%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $11.95
Put/call ratio (OI): 1.32
Put/call ratio (volume): 0.29
ATM implied volatility: 88.8%
Expected move: ±$3.51
Open interest (C / P): 1.62K / 2.15K

EROC options summary

The EROC options chain for the November 20, 2026 expiration lists 10 call and 6 put contracts, with 40 days until expiration. Open interest stands at 1,620 calls and 2,145 puts, a put/call ratio of 1.32, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $12.50 strike is 88.8%, which implies the market expects a move of about ±$3.51 (29.4%) in ERock stock by expiration.

The most open interest sits at the $17.50 call (503 contracts) and the $10.00 put (1.17K contracts).

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

EROC options chain · November 20, 2026

EROC 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	—	332.8%	7.92	8.30	11.00	2.50	—	—	—	—	—	—
12	2	137.5%	5.16	4.10	5.50	7.50	0.00	0.25	0.10	101.6%	1	102
210	11	109.2%	3.05	2.40	3.10	10.00	0.40	0.65	0.60	86.9%	8	1,170
EROC $11.95
335	27	91.1%	1.30	1.15	1.30	12.50	1.40	2.00	1.76	86.4%	3	660
423	101	93.8%	0.60	0.50	0.65	15.00	3.40	3.90	3.41	95.7%	1	150
503	5	102.0%	0.50	0.20	0.45	17.50	5.20	6.00	5.30	64.8%	25	36
99	6	128.9%	0.39	0.00	0.75	20.00	7.50	8.60	7.50	50.0%	10	27
33	10	147.3%	0.25	0.05	0.70	22.50	—	—	—	—	—	—
2	1	162.9%	0.33	0.00	0.75	25.00	—	—	—	—	—	—
0	—	50.0%	0.62	0.00	0.00	30.00	—	—	—	—	—	—

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 EROC put/call ratio?

For the November 20, 2026 expiration, the EROC put/call ratio based on open interest is 1.32 (2,145 puts vs 1,620 calls), and 0.29 based on today's volume. A ratio above 1 means more puts than calls.

What is EROC's implied volatility?

At-the-money implied volatility for EROC options expiring November 20, 2026 is about 88.8%, an annualized estimate of how much the market expects ERock stock to move.

How many EROC option expiration dates are there?

EROC has 4 listed expiration dates, from Oct 16, 2026 to May 21, 2027.

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.