VTEC · VANGUARD CALIFORNIA TAX-EXEMPT BOND ETF ETF

Alerts for VTEC

$97.28 +0.02 (+0.02%) At close · Sep 4

Options Chain

Underlying $97.28 · at close Sep 4, 2026 Options Calculator

Positioning

Sep 18, 2026 · 12 days to expiry · 24 contracts · mixed daily-bar sessions · Mar 25, 2026–Sep 2, 2026; 16 unknown

Put / call OI

0.18

Call-heavy positioning

Open interest

as of Sep 3, 2026

Volume

—

dated and unknown daily-bar sessions

Max pain

$99.00

$1.72 above spot

ATM implied vol

8.8%

market's expected move

Open interest by strike

Calls Puts

100

101

102

103

104

105

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Sep 18 12d Oct 16 40d Dec 18 103d Mar 19 194d

Calls								Puts
OI	Vol	IV	Δ	Bid	Ask	Last	Strike	Last	Bid	Ask	Δ	IV	Vol	OI
—	—	12.8%	0.931	$1.25	$5.70	—		—	$0.00	$1.90	—	—	—	—
Call · $94 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:05.529 UTC Last — Breakeven — Implied vol 12.8% Delta 0.931 ≈93% ITM Gamma 0.057 Theta -0.021 Vega 0.024 Open interest — OI effective date — Model this call Put · $94 Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.943 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	8.8%	0.935	$0.30	$4.60	—		—	$0.00	$1.90	—	—	—	—
Call · $95 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:04.595 UTC Last — Breakeven — Implied vol 8.8% Delta 0.935 ≈93% ITM Gamma 0.079 Theta -0.017 Vega 0.023 Open interest — OI effective date — Model this call Put · $95 Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.707 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$3.60	—		$1.03	$0.00	$1.90	—	—	2	2
Call · $96 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.875 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $96 Daily-bar session May 4, 2026 Quote as of 2026-09-04 19:55:03.583 UTC Last $1.03 Breakeven $94.97 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 OI effective date Sep 3, 2026 Model this put
—	—	—	—	$0.00	$2.60	—		$0.20	$0.00	$2.00	—	—	1	1
Call · $97 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.423 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $97 Daily-bar session Sep 2, 2026 Quote as of 2026-09-04 19:55:03.207 UTC Last $0.20 Breakeven $96.80 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 OI effective date Sep 3, 2026 Model this put
Underlying $97.28
—	—	—	—	$0.00	$1.95	—		$0.70	$0.00	$2.10	—	—	2	2
Call · $98 Daily-bar session Unknown Quote as of 2026-09-04 19:55:01.222 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $98 In the money Daily-bar session Sep 1, 2026 Quote as of 2026-09-04 13:31:29.188 UTC Last $0.70 Breakeven $97.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 OI effective date Sep 3, 2026 Model this put
9	9	—	—	$0.00	$1.90	$0.60		$1.16	$0.00	$4.00	—	—	2	7
Call · $99 Daily-bar session Mar 25, 2026 Quote as of 2026-09-04 19:55:01.356 UTC Last $0.60 Breakeven $99.60 Implied vol — Delta — Gamma — Theta — Vega — Open interest 9 OI effective date Sep 3, 2026 Model this call Put · $99 In the money Daily-bar session Sep 1, 2026 Quote as of 2026-09-04 19:55:04.100 UTC Last $1.16 Breakeven $97.84 Implied vol — Delta — Gamma — Theta — Vega — Open interest 7 OI effective date Sep 3, 2026 Model this put
3	3	—	—	$0.00	$1.90	$0.80		$1.20	$0.50	$5.00	-0.862	12.6%	1	—
Call · $100 Daily-bar session Apr 6, 2026 Quote as of 2026-09-04 19:55:03.777 UTC Last $0.80 Breakeven $100.80 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 OI effective date Sep 3, 2026 Model this call Put · $100 In the money Daily-bar session Jul 17, 2026 Quote as of 2026-09-04 19:55:05.020 UTC Last $1.20 Breakeven $98.80 Implied vol 12.6% Delta -0.862 ≈86% ITM Gamma 0.095 Theta -0.011 Vega 0.04 Open interest — OI effective date — Model this put
54	10	—	—	$0.00	$1.90	$0.10		—	$1.50	$6.00	-0.885	15.8%	—	—
Call · $101 Daily-bar session Apr 8, 2026 Quote as of 2026-09-04 19:55:04.014 UTC Last $0.10 Breakeven $101.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 54 OI effective date Sep 3, 2026 Model this call Put · $101 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:06.458 UTC Last — Breakeven — Implied vol 15.8% Delta -0.885 ≈88% ITM Gamma 0.067 Theta -0.013 Vega 0.036 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$1.90	—		—	$2.50	$7.00	-0.899	18.8%	—	—
Call · $102 Daily-bar session Unknown Quote as of 2026-09-04 19:55:04.237 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $102 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:07.228 UTC Last — Breakeven — Implied vol 18.8% Delta -0.899 ≈90% ITM Gamma 0.051 Theta -0.014 Vega 0.032 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$1.90	—		—	$3.50	$8.00	-0.91	21.7%	—	—
Call · $103 Daily-bar session Unknown Quote as of 2026-09-04 19:55:04.739 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $103 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:07.867 UTC Last — Breakeven — Implied vol 21.7% Delta -0.91 ≈91% ITM Gamma 0.041 Theta -0.016 Vega 0.03 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$1.90	—		—	$4.50	$9.00	-0.918	24.5%	—	—
Call · $104 Daily-bar session Unknown Quote as of 2026-09-04 19:55:05.161 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $104 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:08.615 UTC Last — Breakeven — Implied vol 24.5% Delta -0.918 ≈92% ITM Gamma 0.034 Theta -0.017 Vega 0.028 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$1.90	—		—	$5.50	$10.00	-0.924	27.2%	—	—
Call · $105 Daily-bar session Unknown Quote as of 2026-09-04 19:55:05.742 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $105 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:09.172 UTC Last — Breakeven — Implied vol 27.2% Delta -0.924 ≈92% ITM Gamma 0.029 Theta -0.018 Vega 0.026 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 · Mar 25, 2026–Sep 2, 2026; 16 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.