MGY · Magnolia Oil & Gas Corp

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$23.72 -0.86 (-3.50%) At close · Aug 5

Market Cap

$4.39B

184.95M

Options Chain

15-min delayed Underlying $23.72 · at close Aug 5, 2026 Options Calculator

Positioning

Aug 21, 2026 · 15 days to expiry · 16 contracts

Put / call OI

0.45

Call-heavy positioning

Open interest

1,310

contracts outstanding

Volume

traded today

Max pain

$25.00

$1.28 above spot

ATM implied vol

49.2%

market's expected move

Open interest by strike

Calls Puts

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 15d Sep 18 43d Dec 18 134d Mar 19 225d Dec 17 498d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
3	2	—	—	$10.41		$0.25	—	—	1	4
Call · $15 In the money Last $10.41 Breakeven $25.41 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $15 Last $0.25 Breakeven $14.75 Implied vol — Delta — Gamma — Theta — Vega — Open interest 4 Model this put
0	—	—	—	—		$0.10	-0.113	149.1%	2	4
Call · $17.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $17.5 Last $0.10 Breakeven $17.40 Implied vol 149.1% Delta -0.113 ≈11% ITM Gamma 0.026 Theta -0.046 Vega 0.011 Open interest 4 Model this put
29	10	—	—	$4.94		$0.05	-0.12	85.5%	11	11
Call · $20 In the money Last $4.94 Breakeven $24.94 Implied vol — Delta — Gamma — Theta — Vega — Open interest 29 Model this call Put · $20 Last $0.05 Breakeven $19.95 Implied vol 85.5% Delta -0.12 ≈12% ITM Gamma 0.047 Theta -0.028 Vega 0.012 Open interest 11 Model this put
40	1	50.9%	0.771	$2.24		$0.33	-0.212	47.4%	2	37
Call · $22.5 In the money Last $2.24 Breakeven $24.74 Implied vol 50.9% Delta 0.771 ≈77% ITM Gamma 0.12 Theta -0.025 Vega 0.017 Open interest 40 Model this call Put · $22.5 Last $0.33 Breakeven $22.17 Implied vol 47.4% Delta -0.212 ≈21% ITM Gamma 0.125 Theta -0.022 Vega 0.013 Open interest 37 Model this put
Underlying $23.72
602	5	40.3%	0.361	$0.45		$1.60	-0.504	117.6%	10	337
Call · $25 Last $0.45 Breakeven $25.45 Implied vol 40.3% Delta 0.361 ≈36% ITM Gamma 0.189 Theta -0.025 Vega 0.018 Open interest 602 Model this call Put · $25 In the money Last $1.60 Breakeven $23.40 Implied vol 117.6% Delta -0.504 ≈50% ITM Gamma 0.068 Theta -0.075 Vega 0.02 Open interest 337 Model this put
231	4	74.2%	0.091	$0.10		$5.43	-0.811	104.8%	10	12
Call · $30 Last $0.10 Breakeven $30.10 Implied vol 74.2% Delta 0.091 ≈9% ITM Gamma 0.044 Theta -0.02 Vega 0.01 Open interest 231 Model this call Put · $30 In the money Last $5.43 Breakeven $24.57 Implied vol 104.8% Delta -0.811 ≈81% ITM Gamma 0.052 Theta -0.045 Vega 0.015 Open interest 12 Model this put
0	—	—	—	—		—	-0.835	158.5%	—	0
Call · $35 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $35 In the money Last — Breakeven — Implied vol 158.5% Delta -0.835 ≈83% ITM Gamma 0.032 Theta -0.063 Vega 0.01 Open interest 0 Model this put
0	—	—	—	—		—	-0.864	187.6%	—	0
Call · $40 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $40 In the money Last — Breakeven — Implied vol 187.6% Delta -0.864 ≈86% ITM Gamma 0.023 Theta -0.064 Vega 0.011 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 1698990 CUSIP 559663109 13F (30d) 124 filings 123 filers Visit website Investor relations