PBT · Permian Basin Royalty Trust

Track PBT — free

$34.27 +0.20 (+0.59%) At close · Aug 21

Market Cap

$1.60B

46.61M

Options Chain

Underlying $34.27 · at close Aug 21, 2026 Options Calculator

Positioning

Sep 18, 2026 · 25 days to expiry · 26 contracts · mixed snapshot sessions · Mar 10, 2026–Aug 21, 2026; 8 unknown

Put / call OI

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dated and unknown snapshot sessions

Open interest

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dated and unknown snapshot sessions

Volume

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dated and unknown snapshot sessions

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Sep 18 25d Oct 16 53d Dec 18 116d Mar 19 207d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	545%	0.995	—		—	—	—	—	0
Call · $2.5 In the money Snapshot session Unknown Last — Breakeven — Implied vol 545% Delta 0.995 ≈99% ITM Gamma 0 Theta -0.014 Vega 0.002 Open interest 0 Model this call Put · $2.5 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	1	—	—	$24.05		—	—	—	—	0
Call · $5 In the money Snapshot session May 28, 2026 Last $24.05 Breakeven $29.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $5 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	1	305%	0.989	$21.65		—	—	—	—	0
Call · $7.5 In the money Snapshot session May 28, 2026 Last $21.65 Breakeven $29.15 Implied vol 305% Delta 0.989 ≈99% ITM Gamma 0.001 Theta -0.015 Vega 0.002 Open interest 0 Model this call Put · $7.5 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $10 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $10 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
7	6	204.8%	0.984	$18.40		—	—	—	—	0
Call · $12.5 In the money Snapshot session May 19, 2026 Last $18.40 Breakeven $30.90 Implied vol 204.8% Delta 0.984 ≈98% ITM Gamma 0.002 Theta -0.014 Vega 0.003 Open interest 7 Model this call Put · $12.5 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
12	4	170%	0.981	$16.09		$0.25	-0.042	218.1%	15	57
Call · $15 In the money Snapshot session May 19, 2026 Last $16.09 Breakeven $31.09 Implied vol 170% Delta 0.981 ≈98% ITM Gamma 0.003 Theta -0.014 Vega 0.003 Open interest 12 Model this call Put · $15 Snapshot session May 27, 2026 Last $0.25 Breakeven $14.75 Implied vol 218.1% Delta -0.042 ≈4% ITM Gamma 0.005 Theta -0.035 Vega 0.01 Open interest 57 Model this put
2	1	—	—	$4.00		$0.50	-0.05	181.6%	25	40
Call · $17.5 In the money Snapshot session Mar 10, 2026 Last $4.00 Breakeven $21.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $17.5 Snapshot session May 27, 2026 Last $0.50 Breakeven $17.00 Implied vol 181.6% Delta -0.05 ≈5% ITM Gamma 0.006 Theta -0.033 Vega 0.011 Open interest 40 Model this put
294	1	—	—	$13.02		$0.15	-0.06	150.4%	6	37
Call · $20 In the money Snapshot session Aug 17, 2026 Last $13.02 Breakeven $33.02 Implied vol — Delta — Gamma — Theta — Vega — Open interest 294 Model this call Put · $20 Snapshot session Jul 22, 2026 Last $0.15 Breakeven $19.85 Implied vol 150.4% Delta -0.06 ≈6% ITM Gamma 0.009 Theta -0.032 Vega 0.012 Open interest 37 Model this put
25	1	96.7%	0.961	$10.57		$1.00	-0.073	123%	1	6
Call · $22.5 In the money Snapshot session Aug 17, 2026 Last $10.57 Breakeven $33.07 Implied vol 96.7% Delta 0.961 ≈96% ITM Gamma 0.009 Theta -0.015 Vega 0.007 Open interest 25 Model this call Put · $22.5 Snapshot session Jul 1, 2026 Last $1.00 Breakeven $21.50 Implied vol 123% Delta -0.073 ≈7% ITM Gamma 0.013 Theta -0.03 Vega 0.013 Open interest 6 Model this put
636	1	92.7%	0.919	$9.45		$1.00	-0.096	102.4%	999	1k
Call · $25 In the money Snapshot session Aug 21, 2026 Last $9.45 Breakeven $34.45 Implied vol 92.7% Delta 0.919 ≈92% ITM Gamma 0.018 Theta -0.026 Vega 0.013 Open interest 636 Model this call Put · $25 Snapshot session Jul 17, 2026 Last $1.00 Breakeven $24.00 Implied vol 102.4% Delta -0.096 ≈10% ITM Gamma 0.019 Theta -0.031 Vega 0.013 Open interest 1k Model this put
363	15	49.8%	0.856	$4.80		$0.57	-0.165	55.2%	37	47
Call · $30 In the money Snapshot session Aug 21, 2026 Last $4.80 Breakeven $34.80 Implied vol 49.8% Delta 0.856 ≈86% ITM Gamma 0.05 Theta -0.022 Vega 0.022 Open interest 363 Model this call Put · $30 Snapshot session Aug 12, 2026 Last $0.57 Breakeven $29.43 Implied vol 55.2% Delta -0.165 ≈17% ITM Gamma 0.05 Theta -0.024 Vega 0.022 Open interest 47 Model this put
Underlying $34.27
4.4k	13	49.8%	0.459	$1.35		$1.48	-0.572	37.5%	6	0
Call · $35 Snapshot session Aug 20, 2026 Last $1.35 Breakeven $36.35 Implied vol 49.8% Delta 0.459 ≈46% ITM Gamma 0.089 Theta -0.036 Vega 0.036 Open interest 4.4k Model this call Put · $35 In the money Snapshot session Aug 21, 2026 Last $1.48 Breakeven $33.52 Implied vol 37.5% Delta -0.572 ≈57% ITM Gamma 0.118 Theta -0.025 Vega 0.036 Open interest 0 Model this put
404	4	60.5%	0.186	$1.15		—	—	—	—	0
Call · $40 Snapshot session Aug 11, 2026 Last $1.15 Breakeven $41.15 Implied vol 60.5% Delta 0.186 ≈19% ITM Gamma 0.049 Theta -0.029 Vega 0.026 Open interest 404 Model this call Put · $40 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Each contract's last price, volume, greeks, implied volatility and open interest belongs to the snapshot session shown in its details; unknown means the provider omitted the timestamp. This chain has mixed snapshot sessions · Mar 10, 2026–Aug 21, 2026; 8 unknown. Cross-contract positioning totals are shown only when every returned row has the same known session. 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.

Key facts CIK 319654 CUSIP 714236106 13F (30d) 81 filings 80 filers Visit website