WES · Western Midstream Partners, LP

Track WES — free Ask ALVIS about WES

$47.08 +0.12 (+0.26%)

Market Cap

$18.49B

393.78M

Options Chain

15-min delayed Underlying $47.08 · today Options Calculator

Positioning

Aug 21, 2026 · 14 days to expiry · 46 contracts

Put / call OI

0.74

Balanced positioning

Open interest

8,995

contracts outstanding

Volume

1,084

traded today

Max pain

$45.00

$2.08 below spot

ATM implied vol

23%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 14d Sep 18 42d Nov 20 105d Jan 15 161d Feb 19 196d Jan 21 532d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	2	—	—	$10.13		$0.04	—	—	2	11
Call · $30 In the money Last $10.13 Breakeven $40.13 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30 Last $0.04 Breakeven $29.96 Implied vol — Delta — Gamma — Theta — Vega — Open interest 11 Model this put
0	1	—	—	$12.27		$0.32	—	—	10	15
Call · $31 In the money Last $12.27 Breakeven $43.27 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $31 Last $0.32 Breakeven $30.68 Implied vol — Delta — Gamma — Theta — Vega — Open interest 15 Model this put
0	75	—	—	$15.50		$0.30	—	—	1	27
Call · $32 In the money Last $15.50 Breakeven $47.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $32 Last $0.30 Breakeven $31.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 27 Model this put
9	8	—	—	$13.13		$0.01	-0.031	102.2%	1	72
Call · $33 In the money Last $13.13 Breakeven $46.13 Implied vol — Delta — Gamma — Theta — Vega — Open interest 9 Model this call Put · $33 Last $0.01 Breakeven $32.99 Implied vol 102.2% Delta -0.031 ≈3% ITM Gamma 0.007 Theta -0.023 Vega 0.008 Open interest 72 Model this put
0	10	—	—	$13.50		$0.35	-0.062	116.4%	3	36
Call · $34 In the money Last $13.50 Breakeven $47.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $34 Last $0.35 Breakeven $33.65 Implied vol 116.4% Delta -0.062 ≈6% ITM Gamma 0.011 Theta -0.047 Vega 0.014 Open interest 36 Model this put
0	35	—	—	$9.10		$0.15	-0.03	84.4%	2	189
Call · $35 In the money Last $9.10 Breakeven $44.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $35 Last $0.15 Breakeven $34.85 Implied vol 84.4% Delta -0.03 ≈3% ITM Gamma 0.009 Theta -0.019 Vega 0.008 Open interest 189 Model this put
0	—	—	—	—		$0.05	-0.038	80.2%	9	301
Call · $36 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $36 Last $0.05 Breakeven $35.95 Implied vol 80.2% Delta -0.038 ≈4% ITM Gamma 0.011 Theta -0.022 Vega 0.009 Open interest 301 Model this put
0	28	—	—	$5.10		$0.10	-0.047	76.2%	5	137
Call · $37 In the money Last $5.10 Breakeven $42.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $37 Last $0.10 Breakeven $36.90 Implied vol 76.2% Delta -0.047 ≈5% ITM Gamma 0.014 Theta -0.025 Vega 0.009 Open interest 137 Model this put
10	70	—	—	$9.50		$0.05	-0.032	60.9%	10	334
Call · $38 In the money Last $9.50 Breakeven $47.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this call Put · $38 Last $0.05 Breakeven $37.95 Implied vol 60.9% Delta -0.032 ≈3% ITM Gamma 0.013 Theta -0.014 Vega 0.009 Open interest 334 Model this put
10	170	—	—	$8.60		$0.23	-0.056	62.8%	5	610
Call · $39 In the money Last $8.60 Breakeven $47.60 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this call Put · $39 Last $0.23 Breakeven $38.77 Implied vol 62.8% Delta -0.056 ≈6% ITM Gamma 0.019 Theta -0.024 Vega 0.009 Open interest 610 Model this put
31	1	—	—	$6.75		$0.05	-0.086	63%	1	918
Call · $40 In the money Last $6.75 Breakeven $46.75 Implied vol — Delta — Gamma — Theta — Vega — Open interest 31 Model this call Put · $40 Last $0.05 Breakeven $39.95 Implied vol 63% Delta -0.086 ≈9% ITM Gamma 0.027 Theta -0.033 Vega 0.016 Open interest 918 Model this put
20	200	—	—	$6.70		$0.07	-0.054	44.7%	6	178
Call · $41 In the money Last $6.70 Breakeven $47.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 20 Model this call Put · $41 Last $0.07 Breakeven $40.93 Implied vol 44.7% Delta -0.054 ≈5% ITM Gamma 0.026 Theta -0.016 Vega 0.009 Open interest 178 Model this put
1	1	—	—	$4.90		$0.10	-0.071	40.7%	11	199
Call · $42 In the money Last $4.90 Breakeven $46.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $42 Last $0.10 Breakeven $41.90 Implied vol 40.7% Delta -0.071 ≈7% ITM Gamma 0.036 Theta -0.019 Vega 0.016 Open interest 199 Model this put
206	7	—	—	$3.70		$0.12	-0.092	35.3%	15	133
Call · $43 In the money Last $3.70 Breakeven $46.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 206 Model this call Put · $43 Last $0.12 Breakeven $42.88 Implied vol 35.3% Delta -0.092 ≈9% ITM Gamma 0.05 Theta -0.02 Vega 0.016 Open interest 133 Model this put
126	12	—	—	$3.00		$0.10	-0.1	27%	3	125
Call · $44 In the money Last $3.00 Breakeven $47.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 126 Model this call Put · $44 Last $0.10 Breakeven $43.90 Implied vol 27% Delta -0.1 ≈10% ITM Gamma 0.069 Theta -0.016 Vega 0.017 Open interest 125 Model this put
453	5	23.3%	0.858	$2.50		$0.29	-0.141	21.7%	1	290
Call · $45 In the money Last $2.50 Breakeven $47.50 Implied vol 23.3% Delta 0.858 ≈86% ITM Gamma 0.121 Theta -0.013 Vega 0.023 Open interest 453 Model this call Put · $45 Last $0.29 Breakeven $44.71 Implied vol 21.7% Delta -0.141 ≈14% ITM Gamma 0.112 Theta -0.017 Vega 0.026 Open interest 290 Model this put
207	115	20.7%	0.729	$1.50		$0.45	-0.288	21.4%	2	166
Call · $46 In the money Last $1.50 Breakeven $47.50 Implied vol 20.7% Delta 0.729 ≈73% ITM Gamma 0.184 Theta -0.018 Vega 0.032 Open interest 207 Model this call Put · $46 Last $0.45 Breakeven $45.55 Implied vol 21.4% Delta -0.288 ≈29% ITM Gamma 0.171 Theta -0.026 Vega 0.033 Open interest 166 Model this put
1.9k	60	25.2%	0.524	$0.84		$0.88	-0.479	20.8%	2	68
Call · $47 In the money Last $0.84 Breakeven $47.84 Implied vol 25.2% Delta 0.524 ≈52% ITM Gamma 0.174 Theta -0.03 Vega 0.037 Open interest 1.9k Model this call Put · $47 Last $0.88 Breakeven $46.12 Implied vol 20.8% Delta -0.479 ≈48% ITM Gamma 0.207 Theta -0.031 Vega 0.037 Open interest 68 Model this put
Underlying $47.08
772	16	25.2%	0.356	$0.52		$2.13	-0.681	20.2%	1	4
Call · $48 Last $0.52 Breakeven $48.52 Implied vol 25.2% Delta 0.356 ≈36% ITM Gamma 0.163 Theta -0.029 Vega 0.037 Open interest 772 Model this call Put · $48 In the money Last $2.13 Breakeven $45.87 Implied vol 20.2% Delta -0.681 ≈68% ITM Gamma 0.191 Theta -0.029 Vega 0.032 Open interest 4 Model this put
352	101	23.9%	0.203	$0.20		$8.50	-0.838	20%	6	3
Call · $49 Last $0.20 Breakeven $49.20 Implied vol 23.9% Delta 0.203 ≈20% ITM Gamma 0.129 Theta -0.021 Vega 0.024 Open interest 352 Model this call Put · $49 In the money Last $8.50 Breakeven $40.50 Implied vol 20% Delta -0.838 ≈84% ITM Gamma 0.129 Theta -0.022 Vega 0.024 Open interest 3 Model this put
1k	52	24.8%	0.112	$0.10		$6.50	-0.869	26.8%	10	17
Call · $50 Last $0.10 Breakeven $50.10 Implied vol 24.8% Delta 0.112 ≈11% ITM Gamma 0.083 Theta -0.015 Vega 0.016 Open interest 1k Model this call Put · $50 In the money Last $6.50 Breakeven $43.50 Implied vol 26.8% Delta -0.869 ≈87% ITM Gamma 0.085 Theta -0.025 Vega 0.016 Open interest 17 Model this put
8	5	58.6%	0.099	$0.05		$14.40	-0.921	53.6%	4	0
Call · $55 Last $0.05 Breakeven $55.05 Implied vol 58.6% Delta 0.099 ≈10% ITM Gamma 0.032 Theta -0.033 Vega 0.017 Open interest 8 Model this call Put · $55 In the money Last $14.40 Breakeven $40.60 Implied vol 53.6% Delta -0.921 ≈92% ITM Gamma 0.029 Theta -0.031 Vega 0.017 Open interest 0 Model this put
0	—	—	—	—		—	-0.984	54.2%	—	0
Call · $60 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $60 In the money Last — Breakeven — Implied vol 54.2% Delta -0.984 ≈98% ITM Gamma 0.006 Theta -0.012 Vega 0.002 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 1423902 CUSIP 958669103 13F (30d) 182 filings 181 filers Visit website Investor relations