SMC · Summit Midstream Corp

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$30.37 +0.52 (+1.74%) At close · Jul 29

Market Cap

$617.69M

20.34M

Options Chain

15-min delayed Underlying $30.37 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 10 contracts

Put / call OI

0.14

Call-heavy positioning

Open interest

293

contracts outstanding

Volume

188

traded today

Max pain

$30.00

$0.37 below spot

ATM implied vol

65.1%

market's expected move

Open interest by strike

Calls Puts

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	115.8%	0.884	—		—	-0.081	94.6%	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol 115.8% Delta 0.884 ≈88% ITM Gamma 0.022 Theta -0.04 Vega 0.017 Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol 94.6% Delta -0.081 ≈8% ITM Gamma 0.021 Theta -0.024 Vega 0.011 Open interest 0 Model this put
20	20	85.1%	0.848	$5.91		$1.75	-0.109	69.4%	10	10
Call · $25 In the money Last $5.91 Breakeven $30.91 Implied vol 85.1% Delta 0.848 ≈85% ITM Gamma 0.036 Theta -0.035 Vega 0.018 Open interest 20 Model this call Put · $25 Last $1.75 Breakeven $23.25 Implied vol 69.4% Delta -0.109 ≈11% ITM Gamma 0.036 Theta -0.022 Vega 0.012 Open interest 10 Model this put
92	5	59.5%	0.568	$1.50		$1.40	-0.434	70.7%	5	25
Call · $30 In the money Last $1.50 Breakeven $31.50 Implied vol 59.5% Delta 0.568 ≈57% ITM Gamma 0.088 Theta -0.041 Vega 0.03 Open interest 92 Model this call Put · $30 Last $1.40 Breakeven $28.60 Implied vol 70.7% Delta -0.434 ≈43% ITM Gamma 0.074 Theta -0.046 Vega 0.03 Open interest 25 Model this put
Underlying $30.37
143	121	56.6%	0.18	$0.53		$4.20	-0.86	50.7%	24	0
Call · $35 Last $0.53 Breakeven $35.53 Implied vol 56.6% Delta 0.18 ≈18% ITM Gamma 0.061 Theta -0.025 Vega 0.022 Open interest 143 Model this call Put · $35 In the money Last $4.20 Breakeven $30.80 Implied vol 50.7% Delta -0.86 ≈86% ITM Gamma 0.062 Theta -0.017 Vega 0.014 Open interest 0 Model this put
3	3	—	—	$0.19		—	—	—	—	0
Call · $40 Last $0.19 Breakeven $40.19 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $40 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — 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 2024218 CUSIP 86614G101 13F (30d) 6 filings 6 filers Visit website Investor relations