NOG · Northern Oil & Gas, Inc.

Track NOG — free Ask ALVIS about NOG

$19.84 -0.43 (-2.12%) At close · Jul 28

Market Cap

$2.14B

105.79M

Options Chain

15-min delayed Underlying $19.84 · at close Jul 28, 2026 Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 36 contracts

Put / call OI

0.13

Call-heavy positioning

Open interest

17,613

contracts outstanding

Volume

603

traded today

Max pain

$18.00

$1.84 below spot

ATM implied vol

53.5%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 23d Sep 18 51d Dec 18 142d Jan 15 170d Mar 19 233d Dec 17 506d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
9	12	161.2%	0.93	$5.67		$0.25	—	—	1	3
Call · $12 In the money Last $5.67 Breakeven $17.67 Implied vol 161.2% Delta 0.93 ≈93% ITM Gamma 0.017 Theta -0.02 Vega 0.007 Open interest 9 Model this call Put · $12 Last $0.25 Breakeven $11.75 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this put
8	1	—	—	$8.40		$0.25	-0.046	112.9%	2	2
Call · $13 In the money Last $8.40 Breakeven $21.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 8 Model this call Put · $13 Last $0.25 Breakeven $12.75 Implied vol 112.9% Delta -0.046 ≈5% ITM Gamma 0.017 Theta -0.012 Vega 0.004 Open interest 2 Model this put
1	2	109.2%	0.931	$7.38		$0.15	-0.053	97.6%	1	3
Call · $14 In the money Last $7.38 Breakeven $21.38 Implied vol 109.2% Delta 0.931 ≈93% ITM Gamma 0.026 Theta -0.013 Vega 0.007 Open interest 1 Model this call Put · $14 Last $0.15 Breakeven $13.85 Implied vol 97.6% Delta -0.053 ≈5% ITM Gamma 0.022 Theta -0.012 Vega 0.004 Open interest 3 Model this put
3	6	76.8%	0.958	$7.16		$0.03	-0.054	78%	2	27
Call · $15 In the money Last $7.16 Breakeven $22.16 Implied vol 76.8% Delta 0.958 ≈96% ITM Gamma 0.03 Theta -0.005 Vega 0.004 Open interest 3 Model this call Put · $15 Last $0.03 Breakeven $14.97 Implied vol 78% Delta -0.054 ≈5% ITM Gamma 0.027 Theta -0.01 Vega 0.005 Open interest 27 Model this put
12	6	70.8%	0.924	$6.00		$0.10	-0.064	64.2%	11	135
Call · $16 In the money Last $6.00 Breakeven $22.00 Implied vol 70.8% Delta 0.924 ≈92% ITM Gamma 0.045 Theta -0.009 Vega 0.008 Open interest 12 Model this call Put · $16 Last $0.10 Breakeven $15.90 Implied vol 64.2% Delta -0.064 ≈6% ITM Gamma 0.038 Theta -0.009 Vega 0.008 Open interest 135 Model this put
63	43	69.2%	0.861	$5.09		$0.15	-0.126	64.1%	4	171
Call · $17 In the money Last $5.09 Breakeven $22.09 Implied vol 69.2% Delta 0.861 ≈86% ITM Gamma 0.067 Theta -0.014 Vega 0.012 Open interest 63 Model this call Put · $17 Last $0.15 Breakeven $16.85 Implied vol 64.1% Delta -0.126 ≈13% ITM Gamma 0.064 Theta -0.015 Vega 0.013 Open interest 171 Model this put
3.6k	14	33.2%	0.949	$2.27		$0.39	-0.183	53.7%	37	438
Call · $18 In the money Last $2.27 Breakeven $20.27 Implied vol 33.2% Delta 0.949 ≈95% ITM Gamma 0.106 Theta -0.002 Vega 0.006 Open interest 3.6k Model this call Put · $18 Last $0.39 Breakeven $17.61 Implied vol 53.7% Delta -0.183 ≈18% ITM Gamma 0.096 Theta -0.016 Vega 0.013 Open interest 438 Model this put
582	39	39.9%	0.747	$1.55		$0.65	-0.313	57.2%	51	326
Call · $19 In the money Last $1.55 Breakeven $20.55 Implied vol 39.9% Delta 0.747 ≈75% ITM Gamma 0.166 Theta -0.012 Vega 0.017 Open interest 582 Model this call Put · $19 Last $0.65 Breakeven $18.35 Implied vol 57.2% Delta -0.313 ≈31% ITM Gamma 0.121 Theta -0.024 Vega 0.017 Open interest 326 Model this put
Underlying $19.84
1.2k	87	45.5%	0.554	$1.03		$1.10	-0.445	61.4%	70	727
Call · $20 Last $1.03 Breakeven $21.03 Implied vol 45.5% Delta 0.554 ≈55% ITM Gamma 0.172 Theta -0.018 Vega 0.02 Open interest 1.2k Model this call Put · $20 In the money Last $1.10 Breakeven $18.90 Implied vol 61.4% Delta -0.445 ≈45% ITM Gamma 0.126 Theta -0.028 Vega 0.02 Open interest 727 Model this put
497	98	45.8%	0.386	$0.62		$1.70	-0.558	66.2%	4	123
Call · $21 Last $0.62 Breakeven $21.62 Implied vol 45.8% Delta 0.386 ≈39% ITM Gamma 0.165 Theta -0.018 Vega 0.02 Open interest 497 Model this call Put · $21 In the money Last $1.70 Breakeven $19.30 Implied vol 66.2% Delta -0.558 ≈56% ITM Gamma 0.115 Theta -0.031 Vega 0.02 Open interest 123 Model this put
1.8k	12	50.1%	0.268	$0.40		$2.60	-0.671	63.6%	4	70
Call · $22 Last $0.40 Breakeven $22.40 Implied vol 50.1% Delta 0.268 ≈27% ITM Gamma 0.129 Theta -0.017 Vega 0.018 Open interest 1.8k Model this call Put · $22 In the money Last $2.60 Breakeven $19.40 Implied vol 63.6% Delta -0.671 ≈67% ITM Gamma 0.11 Theta -0.027 Vega 0.018 Open interest 70 Model this put
6k	82	52.4%	0.179	$0.24		$3.20	-0.748	68%	3	6
Call · $23 Last $0.24 Breakeven $23.24 Implied vol 52.4% Delta 0.179 ≈18% ITM Gamma 0.097 Theta -0.014 Vega 0.014 Open interest 6k Model this call Put · $23 In the money Last $3.20 Breakeven $19.80 Implied vol 68% Delta -0.748 ≈75% ITM Gamma 0.091 Theta -0.027 Vega 0.014 Open interest 6 Model this put
846	1	54%	0.115	$0.16		—	-0.963	36.3%	—	0
Call · $24 Last $0.16 Breakeven $24.16 Implied vol 54% Delta 0.115 ≈12% ITM Gamma 0.07 Theta -0.011 Vega 0.009 Open interest 846 Model this call Put · $24 In the money Last — Breakeven — Implied vol 36.3% Delta -0.963 ≈96% ITM Gamma 0.037 Theta -0.006 Vega 0.003 Open interest 0 Model this put
517	1	62.7%	0.102	$0.12		—	-0.993	0.4%	—	0
Call · $25 Last $0.12 Breakeven $25.12 Implied vol 62.7% Delta 0.102 ≈10% ITM Gamma 0.055 Theta -0.012 Vega 0.01 Open interest 517 Model this call Put · $25 In the money Last — Breakeven — Implied vol 0.4% Delta -0.993 ≈99% ITM Gamma 0 Theta -0.004 Vega 0 Open interest 0 Model this put
403	1	60.8%	0.058	$0.10		—	-0.993	0.4%	—	0
Call · $26 Last $0.10 Breakeven $26.10 Implied vol 60.8% Delta 0.058 ≈6% ITM Gamma 0.037 Theta -0.007 Vega 0.006 Open interest 403 Model this call Put · $26 In the money Last — Breakeven — Implied vol 0.4% Delta -0.993 ≈99% ITM Gamma 0 Theta -0.004 Vega 0 Open interest 0 Model this put
46	7	76.3%	0.076	$0.18		—	-0.993	0.4%	—	0
Call · $27 Last $0.18 Breakeven $27.18 Implied vol 76.3% Delta 0.076 ≈8% ITM Gamma 0.037 Theta -0.012 Vega 0.006 Open interest 46 Model this call Put · $27 In the money Last — Breakeven — Implied vol 0.4% Delta -0.993 ≈99% ITM Gamma 0 Theta -0.003 Vega 0 Open interest 0 Model this put
6	1	119.1%	0.172	$0.10		—	-0.993	0.4%	—	0
Call · $28 Last $0.10 Breakeven $28.10 Implied vol 119.1% Delta 0.172 ≈17% ITM Gamma 0.042 Theta -0.033 Vega 0.016 Open interest 6 Model this call Put · $28 In the money Last — Breakeven — Implied vol 0.4% Delta -0.993 ≈99% ITM Gamma 0 Theta -0.003 Vega 0 Open interest 0 Model this put
0	—	165.9%	0.257	—		—	-0.993	0.4%	—	0
Call · $29 Last — Breakeven — Implied vol 165.9% Delta 0.257 ≈26% ITM Gamma 0.038 Theta -0.058 Vega 0.016 Open interest 0 Model this call Put · $29 In the money Last — Breakeven — Implied vol 0.4% Delta -0.993 ≈99% ITM Gamma 0 Theta -0.003 Vega 0 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 1104485 CUSIP 665531307 13F (30d) 75 filings 69 filers Visit website Investor relations