EROC · ERock, Inc.

Track EROC — free Ask ALVIS about EROC

$8.99 -1.11 (-10.99%) At close · Jul 29

Market Cap

$2.46B

273.30M

Options Chain

15-min delayed Underlying $8.99 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 20 contracts

Put / call OI

1.47

Put-heavy positioning

Open interest

443

contracts outstanding

Volume

143

traded today

Max pain

$10.00

$1.01 above spot

ATM implied vol

132.7%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Nov 20 113d Feb 19 204d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	432.3%	0.961	—		—	—	—	—	0
Call · $2.5 In the money Last — Breakeven — Implied vol 432.3% Delta 0.961 ≈96% ITM Gamma 0.009 Theta -0.019 Vega 0.002 Open interest 0 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	225.2%	0.917	$7.80		—	—	—	—	0
Call · $5 In the money Last $7.80 Breakeven $12.80 Implied vol 225.2% Delta 0.917 ≈92% ITM Gamma 0.03 Theta -0.018 Vega 0.004 Open interest 1 Model this call Put · $5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	186.3%	0.751	—		$0.40	-0.167	98%	13	63
Call · $7.5 In the money Last — Breakeven — Implied vol 186.3% Delta 0.751 ≈75% ITM Gamma 0.076 Theta -0.031 Vega 0.007 Open interest 0 Model this call Put · $7.5 Last $0.40 Breakeven $7.10 Implied vol 98% Delta -0.167 ≈17% ITM Gamma 0.113 Theta -0.012 Vega 0.005 Open interest 63 Model this put
Underlying $8.99
108	78	105.3%	0.426	$0.85		$1.70	-0.503	160.2%	23	139
Call · $10 Last $0.85 Breakeven $10.85 Implied vol 105.3% Delta 0.426 ≈43% ITM Gamma 0.166 Theta -0.022 Vega 0.009 Open interest 108 Model this call Put · $10 In the money Last $1.70 Breakeven $8.30 Implied vol 160.2% Delta -0.503 ≈50% ITM Gamma 0.11 Theta -0.032 Vega 0.009 Open interest 139 Model this put
36	8	123.4%	0.198	$0.05		$2.75	-0.739	150.3%	3	62
Call · $12.5 Last $0.05 Breakeven $12.55 Implied vol 123.4% Delta 0.198 ≈20% ITM Gamma 0.099 Theta -0.018 Vega 0.007 Open interest 36 Model this call Put · $12.5 In the money Last $2.75 Breakeven $9.75 Implied vol 150.3% Delta -0.739 ≈74% ITM Gamma 0.097 Theta -0.024 Vega 0.007 Open interest 62 Model this put
16	10	310.7%	0.402	$0.20		—	-0.844	163.5%	—	0
Call · $15 Last $0.20 Breakeven $15.20 Implied vol 310.7% Delta 0.402 ≈40% ITM Gamma 0.055 Theta -0.062 Vega 0.009 Open interest 16 Model this call Put · $15 In the money Last — Breakeven — Implied vol 163.5% Delta -0.844 ≈84% ITM Gamma 0.066 Theta -0.019 Vega 0.005 Open interest 0 Model this put
11	1	188.2%	0.125	$0.25		—	-0.862	195.9%	—	0
Call · $17.5 Last $0.25 Breakeven $17.75 Implied vol 188.2% Delta 0.125 ≈13% ITM Gamma 0.048 Theta -0.02 Vega 0.005 Open interest 11 Model this call Put · $17.5 In the money Last — Breakeven — Implied vol 195.9% Delta -0.862 ≈86% ITM Gamma 0.05 Theta -0.021 Vega 0.005 Open interest 0 Model this put
7	6	—	—	$0.26		—	-0.891	215.2%	—	0
Call · $20 Last $0.26 Breakeven $20.26 Implied vol — Delta — Gamma — Theta — Vega — Open interest 7 Model this call Put · $20 In the money Last — Breakeven — Implied vol 215.2% Delta -0.891 ≈89% ITM Gamma 0.04 Theta -0.02 Vega 0.005 Open interest 0 Model this put
0	—	—	—	—		—	-0.897	236.1%	—	0
Call · $22.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $22.5 In the money Last — Breakeven — Implied vol 236.1% Delta -0.897 ≈90% ITM Gamma 0.035 Theta -0.02 Vega 0.003 Open interest 0 Model this put
0	—	—	—	—		—	-0.902	254.5%	—	0
Call · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $25 In the money Last — Breakeven — Implied vol 254.5% Delta -0.902 ≈90% ITM Gamma 0.031 Theta -0.021 Vega 0.004 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 2110029 CUSIP 296013105 13F (30d) 4 filings 4 filers Visit website Investor relations