WCC · Wesco International Inc

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$343.49 +0.82 (+0.24%) At close · Jul 31

Market Cap

$16.74B

48.73M

Options Chain

15-min delayed Underlying $343.49 · at close Jul 31, 2026 Options Calculator

Positioning

Aug 21, 2026 · 20 days to expiry · 102 contracts

Put / call OI

0.80

Balanced positioning

Open interest

2,264

contracts outstanding

Volume

704

traded today

Max pain

$320.00

$23.49 below spot

ATM implied vol

44.3%

market's expected move

Open interest by strike · near the money

Calls Puts

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Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 20d Sep 18 48d Oct 16 76d Nov 20 111d Dec 18 139d Jan 15 167d Mar 19 230d Apr 16 258d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
1	1	283.9%	0.979	$259.60		—	—	—	—	0
Call · $110 In the money Last $259.60 Breakeven $369.60 Implied vol 283.9% Delta 0.979 ≈98% ITM Gamma 0 Theta -0.285 Vega 0.044 Open interest 1 Model this call Put · $110 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2	2	271.1%	0.979	$160.00		—	—	—	—	0
Call · $115 In the money Last $160.00 Breakeven $275.00 Implied vol 271.1% Delta 0.979 ≈98% ITM Gamma 0 Theta -0.275 Vega 0.045 Open interest 2 Model this call Put · $115 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	267.5%	0.976	$249.70		—	—	—	—	0
Call · $120 In the money Last $249.70 Breakeven $369.70 Implied vol 267.5% Delta 0.976 ≈98% ITM Gamma 0 Theta -0.301 Vega 0.046 Open interest 1 Model this call Put · $120 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	252.4%	0.977	$244.80		—	—	—	—	0
Call · $125 In the money Last $244.80 Breakeven $369.80 Implied vol 252.4% Delta 0.977 ≈98% ITM Gamma 0 Theta -0.277 Vega 0.047 Open interest 1 Model this call Put · $125 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	242.2%	0.977	$239.80		—	—	—	—	0
Call · $130 In the money Last $239.80 Breakeven $369.80 Implied vol 242.2% Delta 0.977 ≈98% ITM Gamma 0 Theta -0.271 Vega 0.048 Open interest 1 Model this call Put · $130 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	234.3%	0.975	$234.90		$0.63	—	—	15	8
Call · $135 In the money Last $234.90 Breakeven $369.90 Implied vol 234.3% Delta 0.975 ≈98% ITM Gamma 0 Theta -0.274 Vega 0.049 Open interest 1 Model this call Put · $135 Last $0.63 Breakeven $134.37 Implied vol — Delta — Gamma — Theta — Vega — Open interest 8 Model this put
1	1	228.8%	0.973	$229.90		—	—	—	—	0
Call · $140 In the money Last $229.90 Breakeven $369.90 Implied vol 228.8% Delta 0.973 ≈97% ITM Gamma 0 Theta -0.286 Vega 0.05 Open interest 1 Model this call Put · $140 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	216.6%	0.974	—		—	—	—	—	0
Call · $145 In the money Last — Breakeven — Implied vol 216.6% Delta 0.974 ≈97% ITM Gamma 0 Theta -0.266 Vega 0.051 Open interest 0 Model this call Put · $145 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	206.8%	0.974	—		—	—	—	—	0
Call · $150 In the money Last — Breakeven — Implied vol 206.8% Delta 0.974 ≈97% ITM Gamma 0 Theta -0.255 Vega 0.052 Open interest 0 Model this call Put · $150 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	201.1%	0.972	—		—	—	—	—	0
Call · $155 In the money Last — Breakeven — Implied vol 201.1% Delta 0.972 ≈97% ITM Gamma 0 Theta -0.263 Vega 0.053 Open interest 0 Model this call Put · $155 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	194.7%	0.971	$210.20		—	—	—	—	0
Call · $160 In the money Last $210.20 Breakeven $370.20 Implied vol 194.7% Delta 0.971 ≈97% ITM Gamma 0 Theta -0.266 Vega 0.054 Open interest 1 Model this call Put · $160 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	187.5%	0.97	—		—	-0.009	144.8%	—	0
Call · $165 In the money Last — Breakeven — Implied vol 187.5% Delta 0.97 ≈97% ITM Gamma 0 Theta -0.264 Vega 0.055 Open interest 0 Model this call Put · $165 Last — Breakeven — Implied vol 144.8% Delta -0.009 ≈1% ITM Gamma 0 Theta -0.073 Vega 0.028 Open interest 0 Model this put
1	1	180.6%	0.969	$57.48		$2.60	-0.023	167.3%	1	2
Call · $170 In the money Last $57.48 Breakeven $227.48 Implied vol 180.6% Delta 0.969 ≈97% ITM Gamma 0 Theta -0.262 Vega 0.056 Open interest 1 Model this call Put · $170 Last $2.60 Breakeven $167.40 Implied vol 167.3% Delta -0.023 ≈2% ITM Gamma 0 Theta -0.181 Vega 0.056 Open interest 2 Model this put
0	—	179.2%	0.965	—		—	-0.01	133.9%	—	0
Call · $175 In the money Last — Breakeven — Implied vol 179.2% Delta 0.965 ≈96% ITM Gamma 0.001 Theta -0.288 Vega 0.057 Open interest 0 Model this call Put · $175 Last — Breakeven — Implied vol 133.9% Delta -0.01 ≈1% ITM Gamma 0 Theta -0.072 Vega 0.029 Open interest 0 Model this put
1	1	167.4%	0.967	$190.50		—	-0.011	128.7%	—	0
Call · $180 In the money Last $190.50 Breakeven $370.50 Implied vol 167.4% Delta 0.967 ≈97% ITM Gamma 0.001 Theta -0.258 Vega 0.058 Open interest 1 Model this call Put · $180 Last — Breakeven — Implied vol 128.7% Delta -0.011 ≈1% ITM Gamma 0 Theta -0.071 Vega 0.029 Open interest 0 Model this put
1	1	161.1%	0.965	$185.60		—	-0.024	146.3%	—	0
Call · $185 In the money Last $185.60 Breakeven $370.60 Implied vol 161.1% Delta 0.965 ≈97% ITM Gamma 0.001 Theta -0.256 Vega 0.059 Open interest 1 Model this call Put · $185 Last — Breakeven — Implied vol 146.3% Delta -0.024 ≈2% ITM Gamma 0 Theta -0.162 Vega 0.059 Open interest 0 Model this put
0	—	154.2%	0.965	—		—	-0.011	118.7%	—	0
Call · $190 In the money Last — Breakeven — Implied vol 154.2% Delta 0.965 ≈96% ITM Gamma 0.001 Theta -0.25 Vega 0.06 Open interest 0 Model this call Put · $190 Last — Breakeven — Implied vol 118.7% Delta -0.011 ≈1% ITM Gamma 0 Theta -0.07 Vega 0.03 Open interest 0 Model this put
0	—	150.7%	0.962	—		—	-0.012	113.9%	—	0
Call · $195 In the money Last — Breakeven — Implied vol 150.7% Delta 0.962 ≈96% ITM Gamma 0.001 Theta -0.262 Vega 0.061 Open interest 0 Model this call Put · $195 Last — Breakeven — Implied vol 113.9% Delta -0.012 ≈1% ITM Gamma 0 Theta -0.07 Vega 0.03 Open interest 0 Model this put
0	—	144.9%	0.96	—		—	-0.012	109.2%	—	0
Call · $200 In the money Last — Breakeven — Implied vol 144.9% Delta 0.96 ≈96% ITM Gamma 0.001 Theta -0.26 Vega 0.061 Open interest 0 Model this call Put · $200 Last — Breakeven — Implied vol 109.2% Delta -0.012 ≈1% ITM Gamma 0 Theta -0.069 Vega 0.031 Open interest 0 Model this put
0	—	132.9%	0.958	—		$0.47	-0.028	118.7%	3	15
Call · $210 In the money Last — Breakeven — Implied vol 132.9% Delta 0.958 ≈96% ITM Gamma 0.001 Theta -0.252 Vega 0.063 Open interest 0 Model this call Put · $210 Last $0.47 Breakeven $209.53 Implied vol 118.7% Delta -0.028 ≈3% ITM Gamma 0.001 Theta -0.152 Vega 0.063 Open interest 15 Model this put
2	1	129.7%	0.948	$92.93		$0.27	-0.032	110.2%	1	18
Call · $220 In the money Last $92.93 Breakeven $312.93 Implied vol 129.7% Delta 0.948 ≈95% ITM Gamma 0.001 Theta -0.294 Vega 0.112 Open interest 2 Model this call Put · $220 Last $0.27 Breakeven $219.73 Implied vol 110.2% Delta -0.032 ≈3% ITM Gamma 0.001 Theta -0.159 Vega 0.065 Open interest 18 Model this put
103	103	116.1%	0.947	$79.84		$0.55	-0.038	102.6%	4	12
Call · $230 In the money Last $79.84 Breakeven $309.84 Implied vol 116.1% Delta 0.947 ≈95% ITM Gamma 0.001 Theta -0.269 Vega 0.114 Open interest 103 Model this call Put · $230 Last $0.55 Breakeven $229.45 Implied vol 102.6% Delta -0.038 ≈4% ITM Gamma 0.001 Theta -0.167 Vega 0.066 Open interest 12 Model this put
1	1	104.8%	0.943	$67.61		$2.70	-0.036	89.7%	1	23
Call · $240 In the money Last $67.61 Breakeven $307.61 Implied vol 104.8% Delta 0.943 ≈94% ITM Gamma 0.001 Theta -0.257 Vega 0.117 Open interest 1 Model this call Put · $240 Last $2.70 Breakeven $237.30 Implied vol 89.7% Delta -0.036 ≈4% ITM Gamma 0.001 Theta -0.141 Vega 0.068 Open interest 23 Model this put
0	—	94%	0.939	—		$1.79	-0.02	68.1%	1	3
Call · $250 In the money Last — Breakeven — Implied vol 94% Delta 0.939 ≈94% ITM Gamma 0.002 Theta -0.245 Vega 0.119 Open interest 0 Model this call Put · $250 Last $1.79 Breakeven $248.21 Implied vol 68.1% Delta -0.02 ≈2% ITM Gamma 0.001 Theta -0.064 Vega 0.034 Open interest 3 Model this put
2	1	88.1%	0.924	$56.13		$2.58	-0.024	62.4%	138	138
Call · $260 In the money Last $56.13 Breakeven $316.13 Implied vol 88.1% Delta 0.924 ≈92% ITM Gamma 0.002 Theta -0.269 Vega 0.122 Open interest 2 Model this call Put · $260 Last $2.58 Breakeven $257.42 Implied vol 62.4% Delta -0.024 ≈2% ITM Gamma 0.001 Theta -0.069 Vega 0.035 Open interest 138 Model this put
6	2	80.1%	0.913	$104.10		$5.00	-0.055	67.8%	1	12
Call · $270 In the money Last $104.10 Breakeven $374.10 Implied vol 80.1% Delta 0.913 ≈91% ITM Gamma 0.002 Theta -0.273 Vega 0.124 Open interest 6 Model this call Put · $270 Last $5.00 Breakeven $265.00 Implied vol 67.8% Delta -0.055 ≈6% ITM Gamma 0.002 Theta -0.152 Vega 0.072 Open interest 12 Model this put
4	2	72.3%	0.899	$56.90		$7.30	-0.068	60.8%	1	227
Call · $280 In the money Last $56.90 Breakeven $336.90 Implied vol 72.3% Delta 0.899 ≈90% ITM Gamma 0.003 Theta -0.277 Vega 0.126 Open interest 4 Model this call Put · $280 Last $7.30 Breakeven $272.70 Implied vol 60.8% Delta -0.068 ≈7% ITM Gamma 0.003 Theta -0.158 Vega 0.126 Open interest 227 Model this put
11	1	66.1%	0.876	$33.45		$2.15	-0.073	51%	7	19
Call · $290 In the money Last $33.45 Breakeven $323.45 Implied vol 66.1% Delta 0.876 ≈88% ITM Gamma 0.004 Theta -0.292 Vega 0.193 Open interest 11 Model this call Put · $290 Last $2.15 Breakeven $287.85 Implied vol 51% Delta -0.073 ≈7% ITM Gamma 0.003 Theta -0.139 Vega 0.128 Open interest 19 Model this put
21	1	60.2%	0.842	$45.35		$2.10	-0.11	48.6%	6	27
Call · $300 In the money Last $45.35 Breakeven $345.35 Implied vol 60.2% Delta 0.842 ≈84% ITM Gamma 0.005 Theta -0.31 Vega 0.197 Open interest 21 Model this call Put · $300 Last $2.10 Breakeven $297.90 Implied vol 48.6% Delta -0.11 ≈11% ITM Gamma 0.005 Theta -0.182 Vega 0.131 Open interest 27 Model this put
4	4	55.8%	0.798	$70.90		$3.18	-0.156	44.1%	6	150
Call · $310 In the money Last $70.90 Breakeven $380.90 Implied vol 55.8% Delta 0.798 ≈80% ITM Gamma 0.006 Theta -0.339 Vega 0.2 Open interest 4 Model this call Put · $310 Last $3.18 Breakeven $306.82 Implied vol 44.1% Delta -0.156 ≈16% ITM Gamma 0.007 Theta -0.206 Vega 0.199 Open interest 150 Model this put
301	302	51.7%	0.732	$18.45		$5.36	-0.24	44.2%	1	249
Call · $320 In the money Last $18.45 Breakeven $338.45 Implied vol 51.7% Delta 0.732 ≈73% ITM Gamma 0.008 Theta -0.36 Vega 0.267 Open interest 301 Model this call Put · $320 Last $5.36 Breakeven $314.64 Implied vol 44.2% Delta -0.24 ≈24% ITM Gamma 0.009 Theta -0.269 Vega 0.266 Open interest 249 Model this put
16	1	49.8%	0.647	$14.30		$8.14	-0.333	41.7%	1	12
Call · $330 In the money Last $14.30 Breakeven $344.30 Implied vol 49.8% Delta 0.647 ≈65% ITM Gamma 0.009 Theta -0.39 Vega 0.311 Open interest 16 Model this call Put · $330 Last $8.14 Breakeven $321.86 Implied vol 41.7% Delta -0.333 ≈33% ITM Gamma 0.011 Theta -0.3 Vega 0.31 Open interest 12 Model this put
25	5	47.8%	0.548	$20.00		$12.53	-0.452	40.8%	1	75
Call · $340 In the money Last $20.00 Breakeven $360.00 Implied vol 47.8% Delta 0.548 ≈55% ITM Gamma 0.01 Theta -0.398 Vega 0.317 Open interest 25 Model this call Put · $340 Last $12.53 Breakeven $327.47 Implied vol 40.8% Delta -0.452 ≈45% ITM Gamma 0.012 Theta -0.314 Vega 0.317 Open interest 75 Model this put
Underlying $343.49
231	2	45.8%	0.442	$10.52		$61.10	-0.579	38.5%	12	7
Call · $350 Last $10.52 Breakeven $360.52 Implied vol 45.8% Delta 0.442 ≈44% ITM Gamma 0.011 Theta -0.374 Vega 0.323 Open interest 231 Model this call Put · $350 In the money Last $61.10 Breakeven $288.90 Implied vol 38.5% Delta -0.579 ≈58% ITM Gamma 0.013 Theta -0.287 Vega 0.323 Open interest 7 Model this put
34	1	44.9%	0.338	$7.90		$22.20	-0.712	35.8%	4	4
Call · $360 Last $7.90 Breakeven $367.90 Implied vol 44.9% Delta 0.338 ≈34% ITM Gamma 0.01 Theta -0.339 Vega 0.288 Open interest 34 Model this call Put · $360 In the money Last $22.20 Breakeven $337.80 Implied vol 35.8% Delta -0.712 ≈71% ITM Gamma 0.012 Theta -0.227 Vega 0.287 Open interest 4 Model this put
64	10	44.8%	0.246	$5.15		$95.60	-0.828	34.1%	1	1
Call · $370 Last $5.15 Breakeven $375.15 Implied vol 44.8% Delta 0.246 ≈25% ITM Gamma 0.009 Theta -0.293 Vega 0.224 Open interest 64 Model this call Put · $370 In the money Last $95.60 Breakeven $274.40 Implied vol 34.1% Delta -0.828 ≈83% ITM Gamma 0.01 Theta -0.155 Vega 0.22 Open interest 1 Model this put
263	11	44.4%	0.172	$1.85		$45.90	-0.991	23.5%	4	4
Call · $380 Last $1.85 Breakeven $381.85 Implied vol 44.4% Delta 0.172 ≈17% ITM Gamma 0.007 Theta -0.232 Vega 0.228 Open interest 263 Model this call Put · $380 In the money Last $45.90 Breakeven $334.10 Implied vol 23.5% Delta -0.991 ≈99% ITM Gamma 0.004 Theta -0.007 Vega 0.019 Open interest 4 Model this put
39	6	44.3%	0.116	$2.01		$51.70	—	—	1	2
Call · $390 Last $2.01 Breakeven $392.01 Implied vol 44.3% Delta 0.116 ≈12% ITM Gamma 0.006 Theta -0.176 Vega 0.155 Open interest 39 Model this call Put · $390 In the money Last $51.70 Breakeven $338.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
45	3	47.7%	0.091	$1.05		$103.60	—	—	1	0
Call · $400 Last $1.05 Breakeven $401.05 Implied vol 47.7% Delta 0.091 ≈9% ITM Gamma 0.004 Theta -0.159 Vega 0.157 Open interest 45 Model this call Put · $400 In the money Last $103.60 Breakeven $296.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
30	1	53.1%	0.081	$0.66		—	—	—	—	0
Call · $410 Last $0.66 Breakeven $410.66 Implied vol 53.1% Delta 0.081 ≈8% ITM Gamma 0.004 Theta -0.163 Vega 0.158 Open interest 30 Model this call Put · $410 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2	1	57.1%	0.071	$1.35		—	—	—	—	0
Call · $420 Last $1.35 Breakeven $421.35 Implied vol 57.1% Delta 0.071 ≈7% ITM Gamma 0.003 Theta -0.158 Vega 0.093 Open interest 2 Model this call Put · $420 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
20	10	49.6%	0.028	$7.50		$106.50	—	—	1	0
Call · $430 Last $7.50 Breakeven $437.50 Implied vol 49.6% Delta 0.028 ≈3% ITM Gamma 0.002 Theta -0.064 Vega 0.047 Open interest 20 Model this call Put · $430 In the money Last $106.50 Breakeven $323.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	3	66.7%	0.064	$1.60		—	—	—	—	0
Call · $440 Last $1.60 Breakeven $441.60 Implied vol 66.7% Delta 0.064 ≈6% ITM Gamma 0.002 Theta -0.167 Vega 0.095 Open interest 4 Model this call Put · $440 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
15	1	71.6%	0.062	$0.41		$100.20	—	—	1	0
Call · $450 Last $0.41 Breakeven $450.41 Implied vol 71.6% Delta 0.062 ≈6% ITM Gamma 0.002 Theta -0.175 Vega 0.096 Open interest 15 Model this call Put · $450 In the money Last $100.20 Breakeven $349.80 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	2	74.7%	0.055	$7.50		$121.50	—	—	1	0
Call · $460 Last $7.50 Breakeven $467.50 Implied vol 74.7% Delta 0.055 ≈6% ITM Gamma 0.002 Theta -0.167 Vega 0.097 Open interest 0 Model this call Put · $460 In the money Last $121.50 Breakeven $338.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	65.1%	0.022	—		—	—	—	—	0
Call · $470 Last — Breakeven — Implied vol 65.1% Delta 0.022 ≈2% ITM Gamma 0.001 Theta -0.069 Vega 0.049 Open interest 0 Model this call Put · $470 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	68.8%	0.021	—		—	—	—	—	0
Call · $480 Last — Breakeven — Implied vol 68.8% Delta 0.021 ≈2% ITM Gamma 0.001 Theta -0.07 Vega 0.05 Open interest 0 Model this call Put · $480 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	86.5%	0.047	—		$151.50	—	—	1	0
Call · $490 Last — Breakeven — Implied vol 86.5% Delta 0.047 ≈5% ITM Gamma 0.001 Theta -0.17 Vega 0.099 Open interest 0 Model this call Put · $490 In the money Last $151.50 Breakeven $338.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	90.3%	0.044	—		—	—	—	—	0
Call · $500 Last — Breakeven — Implied vol 90.3% Delta 0.044 ≈4% ITM Gamma 0.001 Theta -0.171 Vega 0.1 Open interest 0 Model this call Put · $500 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	83.7%	0.02	$1.50		—	—	—	—	0
Call · $520 Last $1.50 Breakeven $521.50 Implied vol 83.7% Delta 0.02 ≈2% ITM Gamma 0.001 Theta -0.081 Vega 0.051 Open interest 1 Model this call Put · $520 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	89.3%	0.017	—		$182.00	—	—	1	0
Call · $540 Last — Breakeven — Implied vol 89.3% Delta 0.017 ≈2% ITM Gamma 0.001 Theta -0.076 Vega 0.052 Open interest 0 Model this call Put · $540 In the money Last $182.00 Breakeven $358.00 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. The 25 strikes around the money are shown by default — switch to "All 51" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 929008 CUSIP 95082P105 13F (30d) 228 filings 227 filers Visit website Investor relations