VOX · VANGUARD COMMUNICATION SERVICES INDEX FUND ETF

Alerts for VOX

$188.93 -1.55 (-0.81%) At close · Sep 4

Options Chain

Underlying $188.93 · at close Sep 4, 2026 Options Calculator

Positioning

Sep 18, 2026 · 13 days to expiry · 52 contracts · mixed daily-bar sessions · Jul 16, 2026–Sep 3, 2026; 44 unknown

Put / call OI

1.05

Balanced positioning

Open interest

as of Sep 3, 2026

Volume

—

dated and unknown daily-bar sessions

Max pain

$175.00

$13.93 below spot

ATM implied vol

17.5%

market's expected move

Open interest by strike

Calls Puts

165

170

175

180

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

205

210

215

220

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Sep 18 13d Oct 16 41d Jan 15 132d Apr 16 223d

Calls								Puts
OI	Vol	IV	Δ	Bid	Ask	Last	Strike	Last	Bid	Ask	Δ	IV	Vol	OI
—	—	45.4%	0.949	$22.50	$26.50	—		—	$0.00	$2.25	—	—	—	—
Call · $165 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:13.343 UTC Last — Breakeven — Implied vol 45.4% Delta 0.949 ≈95% ITM Gamma 0.006 Theta -0.081 Vega 0.037 Open interest — OI effective date — Model this call Put · $165 Daily-bar session Unknown Quote as of 2026-09-04 19:55:13.159 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	37.2%	0.94	$17.50	$21.50	—		—	$0.00	$2.25	—	—	—	—
Call · $170 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:57:22.172 UTC Last — Breakeven — Implied vol 37.2% Delta 0.94 ≈94% ITM Gamma 0.009 Theta -0.076 Vega 0.042 Open interest — OI effective date — Model this call Put · $170 Daily-bar session Unknown Quote as of 2026-09-04 19:55:01.304 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
1	1	37%	0.875	$13.50	$16.50	$11.58		$1.60	$0.00	$2.30	—	—	1	21
Call · $175 In the money Daily-bar session Aug 18, 2026 Quote as of 2026-09-04 19:59:44.832 UTC Last $11.58 Breakeven $186.58 Implied vol 37% Delta 0.875 ≈88% ITM Gamma 0.016 Theta -0.119 Vega 0.073 Open interest 1 OI effective date Sep 3, 2026 Model this call Put · $175 Daily-bar session Aug 12, 2026 Quote as of 2026-09-04 19:55:10.317 UTC Last $1.60 Breakeven $173.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 21 OI effective date Sep 3, 2026 Model this put
—	—	30%	0.818	$8.50	$12.00	—		—	$0.00	$2.50	—	—	—	—
Call · $180 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:58:38.008 UTC Last — Breakeven — Implied vol 30% Delta 0.818 ≈82% ITM Gamma 0.025 Theta -0.123 Vega 0.094 Open interest — OI effective date — Model this call Put · $180 Daily-bar session Unknown Quote as of 2026-09-04 19:55:07.658 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	24%	0.775	$5.60	$9.00	—		—	$0.10	$2.85	-0.25	27.1%	—	—
Call · $183 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:58.751 UTC Last — Breakeven — Implied vol 24% Delta 0.775 ≈78% ITM Gamma 0.035 Theta -0.112 Vega 0.107 Open interest — OI effective date — Model this call Put · $183 Daily-bar session Unknown Quote as of 2026-09-04 19:55:19.731 UTC Last — Breakeven — Implied vol 27.1% Delta -0.25 ≈25% ITM Gamma 0.033 Theta -0.113 Vega 0.113 Open interest — OI effective date — Model this put
15	15	23.5%	0.742	$5.00	$8.00	$13.00		—	$0.05	$3.00	-0.271	25.1%	—	—
Call · $184 In the money Daily-bar session Jul 16, 2026 Quote as of 2026-09-04 19:50:01.223 UTC Last $13.00 Breakeven $197.00 Implied vol 23.5% Delta 0.742 ≈74% ITM Gamma 0.039 Theta -0.117 Vega 0.115 Open interest 15 OI effective date Sep 3, 2026 Model this call Put · $184 Daily-bar session Unknown Quote as of 2026-09-04 19:56:22.530 UTC Last — Breakeven — Implied vol 25.1% Delta -0.271 ≈27% ITM Gamma 0.037 Theta -0.109 Vega 0.118 Open interest — OI effective date — Model this put
—	2	23.1%	0.703	$4.00	$7.50	$5.96		—	$0.20	$3.20	-0.304	24.1%	—	—
Call · $185 In the money Daily-bar session Aug 13, 2026 Quote as of 2026-09-04 19:56:55.424 UTC Last $5.96 Breakeven $190.96 Implied vol 23.1% Delta 0.703 ≈70% ITM Gamma 0.042 Theta -0.122 Vega 0.123 Open interest — OI effective date — Model this call Put · $185 Daily-bar session Unknown Quote as of 2026-09-04 19:58:46.450 UTC Last — Breakeven — Implied vol 24.1% Delta -0.304 ≈30% ITM Gamma 0.041 Theta -0.109 Vega 0.125 Open interest — OI effective date — Model this put
—	—	22.1%	0.666	$3.40	$6.50	—		—	$0.05	$3.40	-0.332	21.6%	—	—
Call · $186 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:09.238 UTC Last — Breakeven — Implied vol 22.1% Delta 0.666 ≈67% ITM Gamma 0.046 Theta -0.122 Vega 0.13 Open interest — OI effective date — Model this call Put · $186 Daily-bar session Unknown Quote as of 2026-09-04 19:59:42.661 UTC Last — Breakeven — Implied vol 21.6% Delta -0.332 ≈33% ITM Gamma 0.047 Theta -0.101 Vega 0.129 Open interest — OI effective date — Model this put
—	2	19.7%	0.63	$2.50	$5.50	$5.12		—	$0.05	$3.70	-0.373	20%	—	—
Call · $187 In the money Daily-bar session Aug 24, 2026 Quote as of 2026-09-04 19:55:07.659 UTC Last $5.12 Breakeven $192.12 Implied vol 19.7% Delta 0.63 ≈63% ITM Gamma 0.054 Theta -0.113 Vega 0.135 Open interest — OI effective date — Model this call Put · $187 Daily-bar session Unknown Quote as of 2026-09-04 19:56:38.748 UTC Last — Breakeven — Implied vol 20% Delta -0.373 ≈37% ITM Gamma 0.053 Theta -0.097 Vega 0.135 Open interest — OI effective date — Model this put
—	—	18.8%	0.577	$1.60	$5.00	—		—	$0.05	$3.80	-0.418	17.4%	—	—
Call · $188 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:02.757 UTC Last — Breakeven — Implied vol 18.8% Delta 0.577 ≈58% ITM Gamma 0.058 Theta -0.112 Vega 0.14 Open interest — OI effective date — Model this call Put · $188 Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.981 UTC Last — Breakeven — Implied vol 17.4% Delta -0.418 ≈42% ITM Gamma 0.063 Theta -0.085 Vega 0.139 Open interest — OI effective date — Model this put
Underlying $188.93
—	—	19.1%	0.518	$1.00	$4.60	—		—	$0.15	$4.20	-0.482	15.9%	—	—
Call · $189 Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.751 UTC Last — Breakeven — Implied vol 19.1% Delta 0.518 ≈52% ITM Gamma 0.059 Theta -0.114 Vega 0.142 Open interest — OI effective date — Model this call Put · $189 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:56:52.615 UTC Last — Breakeven — Implied vol 15.9% Delta -0.482 ≈48% ITM Gamma 0.07 Theta -0.078 Vega 0.142 Open interest — OI effective date — Model this put
—	—	18.7%	0.458	$0.55	$4.00	—		—	$0.60	$4.80	-0.552	15.9%	—	—
Call · $190 Daily-bar session Unknown Quote as of 2026-09-04 19:55:04.594 UTC Last — Breakeven — Implied vol 18.7% Delta 0.458 ≈46% ITM Gamma 0.06 Theta -0.11 Vega 0.142 Open interest — OI effective date — Model this call Put · $190 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:10.485 UTC Last — Breakeven — Implied vol 15.9% Delta -0.552 ≈55% ITM Gamma 0.07 Theta -0.076 Vega 0.141 Open interest — OI effective date — Model this put
—	—	18.5%	0.398	$0.05	$3.60	—		—	$1.15	$5.00	-0.634	14.2%	—	—
Call · $191 Daily-bar session Unknown Quote as of 2026-09-04 19:58:57.427 UTC Last — Breakeven — Implied vol 18.5% Delta 0.398 ≈40% ITM Gamma 0.059 Theta -0.105 Vega 0.138 Open interest — OI effective date — Model this call Put · $191 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:14.068 UTC Last — Breakeven — Implied vol 14.2% Delta -0.634 ≈63% ITM Gamma 0.074 Theta -0.061 Vega 0.134 Open interest — OI effective date — Model this put
—	—	20.2%	0.356	$0.10	$3.30	—		—	$1.90	$6.00	-0.685	15.8%	—	—
Call · $192 Daily-bar session Unknown Quote as of 2026-09-04 19:55:05.062 UTC Last — Breakeven — Implied vol 20.2% Delta 0.356 ≈36% ITM Gamma 0.052 Theta -0.11 Vega 0.133 Open interest — OI effective date — Model this call Put · $192 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:56:50.528 UTC Last — Breakeven — Implied vol 15.8% Delta -0.685 ≈68% ITM Gamma 0.063 Theta -0.064 Vega 0.127 Open interest — OI effective date — Model this put
—	—	21.7%	0.32	$0.05	$3.10	—		—	$2.70	$6.50	-0.753	15.2%	—	—
Call · $193 Daily-bar session Unknown Quote as of 2026-09-04 19:59:53.172 UTC Last — Breakeven — Implied vol 21.7% Delta 0.32 ≈32% ITM Gamma 0.046 Theta -0.112 Vega 0.128 Open interest — OI effective date — Model this call Put · $193 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:58:18.925 UTC Last — Breakeven — Implied vol 15.2% Delta -0.753 ≈75% ITM Gamma 0.058 Theta -0.051 Vega 0.113 Open interest — OI effective date — Model this put
—	—	23%	0.289	$0.10	$2.80	—		—	$3.20	$7.50	-0.813	14.8%	—	—
Call · $194 Daily-bar session Unknown Quote as of 2026-09-04 19:59:10.536 UTC Last — Breakeven — Implied vol 23% Delta 0.289 ≈29% ITM Gamma 0.042 Theta -0.113 Vega 0.122 Open interest — OI effective date — Model this call Put · $194 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:57:37.266 UTC Last — Breakeven — Implied vol 14.8% Delta -0.813 ≈81% ITM Gamma 0.051 Theta -0.039 Vega 0.096 Open interest — OI effective date — Model this put
1	1	—	—	$0.00	$2.75	$1.05		—	$4.20	$8.50	-0.829	16.6%	—	—
Call · $195 Daily-bar session Sep 3, 2026 Quote as of 2026-09-04 19:58:55.979 UTC Last $1.05 Breakeven $196.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 OI effective date Sep 3, 2026 Model this call Put · $195 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:58:37.345 UTC Last — Breakeven — Implied vol 16.6% Delta -0.829 ≈83% ITM Gamma 0.043 Theta -0.042 Vega 0.091 Open interest — OI effective date — Model this put
1	1	—	—	$0.00	$2.65	$1.30		—	$5.00	$9.00	-0.916	13.5%	—	—
Call · $196 Daily-bar session Aug 26, 2026 Quote as of 2026-09-04 19:55:30.680 UTC Last $1.30 Breakeven $197.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 OI effective date Sep 3, 2026 Model this call Put · $196 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:57:30.127 UTC Last — Breakeven — Implied vol 13.5% Delta -0.916 ≈92% ITM Gamma 0.032 Theta -0.011 Vega 0.055 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$2.50	—		—	$6.00	$10.00	-0.922	15%	—	—
Call · $197 Daily-bar session Unknown Quote as of 2026-09-04 19:56:52.024 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $197 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:16.094 UTC Last — Breakeven — Implied vol 15% Delta -0.922 ≈92% ITM Gamma 0.027 Theta -0.012 Vega 0.052 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$2.50	—		—	$7.00	$11.00	-0.927	16.4%	—	—
Call · $198 Daily-bar session Unknown Quote as of 2026-09-04 19:55:30.822 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $198 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:58:58.379 UTC Last — Breakeven — Implied vol 16.4% Delta -0.927 ≈93% ITM Gamma 0.024 Theta -0.013 Vega 0.049 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$2.40	—		—	$8.00	$12.00	-0.932	17.8%	—	—
Call · $199 Daily-bar session Unknown Quote as of 2026-09-04 19:55:30.888 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $199 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:57:21.931 UTC Last — Breakeven — Implied vol 17.8% Delta -0.932 ≈93% ITM Gamma 0.021 Theta -0.014 Vega 0.047 Open interest — OI effective date — Model this put
2	1	—	—	$0.00	$2.40	$0.55		—	$9.00	$13.00	-0.935	19.2%	—	—
Call · $200 Daily-bar session Aug 28, 2026 Quote as of 2026-09-04 19:55:30.949 UTC Last $0.55 Breakeven $200.55 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 OI effective date Sep 3, 2026 Model this call Put · $200 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:16.094 UTC Last — Breakeven — Implied vol 19.2% Delta -0.935 ≈94% ITM Gamma 0.018 Theta -0.014 Vega 0.045 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$2.25	—		—	$14.00	$18.00	-0.948	25.8%	—	—
Call · $205 Daily-bar session Unknown Quote as of 2026-09-04 19:57:01.386 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $205 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:17.239 UTC Last — Breakeven — Implied vol 25.8% Delta -0.948 ≈95% ITM Gamma 0.012 Theta -0.018 Vega 0.038 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$2.25	—		—	$19.00	$23.00	-0.956	32%	—	—
Call · $210 Daily-bar session Unknown Quote as of 2026-09-04 19:55:34.007 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $210 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:13.343 UTC Last — Breakeven — Implied vol 32% Delta -0.956 ≈96% ITM Gamma 0.008 Theta -0.021 Vega 0.033 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$2.25	—		—	$24.00	$28.00	-0.961	37.8%	—	—
Call · $215 Daily-bar session Unknown Quote as of 2026-09-04 19:55:34.040 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $215 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:13.343 UTC Last — Breakeven — Implied vol 37.8% Delta -0.961 ≈96% ITM Gamma 0.006 Theta -0.024 Vega 0.03 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$2.25	—		—	$29.00	$33.00	-0.964	43.5%	—	—
Call · $220 Daily-bar session Unknown Quote as of 2026-09-04 19:57:01.389 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $220 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:13.343 UTC Last — Breakeven — Implied vol 43.5% Delta -0.964 ≈96% ITM Gamma 0.005 Theta -0.026 Vega 0.028 Open interest — OI effective date — Model this put

About this data

Each contract's last price, day range and volume belong to the daily-bar session shown in its details; unknown means the source omitted that timestamp. Open interest has its own effective date shown separately; implied volatility and greeks are model values computed when fetched. This chain has mixed daily-bar sessions · Jul 16, 2026–Sep 3, 2026; 44 unknown. Positioning totals are shown only when every returned open-interest value has the same known effective date. Bid and ask are real-time consolidated OPRA readings.

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.