DFIP · Dimensional Inflation-Protected Securities Portfolio ETF ETF

Alerts for DFIP

$40.20 -0.03 (-0.07%) At close · Sep 4

Options Chain

Underlying $40.20 · at close Sep 4, 2026 Options Calculator

Positioning

Sep 18, 2026 · 13 days to expiry · 38 contracts · daily-bar sessions unknown

Put / call OI

—

open-interest date unavailable

Open interest

—

open-interest date unavailable

Volume

—

daily-bar sessions unknown

ATM implied vol

14.6%

market's expected move

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Sep 18 13d Oct 16 41d Nov 20 76d Feb 19 167d

Calls								Puts
OI	Vol	IV	Δ	Bid	Ask	Last	Strike	Last	Bid	Ask	Δ	IV	Vol	OI
—	—	50%	0.993	$7.20	$9.30	—		—	$0.00	$0.95	—	—	—	—
Call · $32 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:56:59.244 UTC Last — Breakeven — Implied vol 50% Delta 0.993 ≈99% ITM Gamma 0.005 Theta -0.006 Vega 0.001 Open interest — OI effective date — Model this call Put · $32 Daily-bar session Unknown Quote as of 2026-09-04 19:55:08.620 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	43.1%	0.994	$6.20	$8.30	—		—	$0.00	$0.95	—	—	—	—
Call · $33 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:12.146 UTC Last — Breakeven — Implied vol 43.1% Delta 0.994 ≈99% ITM Gamma 0.006 Theta -0.006 Vega 0.001 Open interest — OI effective date — Model this call Put · $33 Daily-bar session Unknown Quote as of 2026-09-04 19:55:07.811 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	36.4%	0.994	$5.20	$7.30	—		—	$0.00	$0.95	—	—	—	—
Call · $34 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:11.378 UTC Last — Breakeven — Implied vol 36.4% Delta 0.994 ≈99% ITM Gamma 0.007 Theta -0.005 Vega 0.001 Open interest — OI effective date — Model this call Put · $34 Daily-bar session Unknown Quote as of 2026-09-04 19:55:07.233 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	29.9%	0.994	$4.20	$6.30	—		—	$0.00	$0.95	—	—	—	—
Call · $35 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:10.361 UTC Last — Breakeven — Implied vol 29.9% Delta 0.994 ≈99% ITM Gamma 0.008 Theta -0.005 Vega 0.001 Open interest — OI effective date — Model this call Put · $35 Daily-bar session Unknown Quote as of 2026-09-04 19:57:02.046 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	23.5%	0.995	$3.20	$5.30	—		—	$0.00	$0.95	—	—	—	—
Call · $36 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:09.239 UTC Last — Breakeven — Implied vol 23.5% Delta 0.995 ≈99% ITM Gamma 0.009 Theta -0.005 Vega 0.001 Open interest — OI effective date — Model this call Put · $36 Daily-bar session Unknown Quote as of 2026-09-04 19:55:05.166 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	17.2%	0.995	$2.20	$4.30	—		—	$0.00	$0.95	—	—	—	—
Call · $37 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:07.938 UTC Last — Breakeven — Implied vol 17.2% Delta 0.995 ≈100% ITM Gamma 0.01 Theta -0.004 Vega 0.001 Open interest — OI effective date — Model this call Put · $37 Daily-bar session Unknown Quote as of 2026-09-04 19:55:04.601 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	10.9%	0.998	$1.20	$3.30	—		—	$0.00	$0.95	—	—	—	—
Call · $38 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:06.359 UTC Last — Breakeven — Implied vol 10.9% Delta 0.998 ≈100% ITM Gamma 0.009 Theta -0.004 Vega 0.001 Open interest — OI effective date — Model this call Put · $38 Daily-bar session Unknown Quote as of 2026-09-04 19:55:04.020 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.20	$2.25	—		—	$0.00	$0.95	—	—	—	—
Call · $39 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:04.339 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $39 Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.713 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$1.30	—		—	$0.00	$1.00	—	—	—	—
Call · $40 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.438 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $40 Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.218 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
Underlying $40.20
—	—	—	—	$0.00	$0.95	—		—	$0.00	$1.80	—	—	—	—
Call · $41 Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.604 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $41 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.880 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.95	—		—	$0.75	$2.80	-0.938	14.6%	—	—
Call · $42 Daily-bar session Unknown Quote as of 2026-09-04 19:55:03.783 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $42 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:05.026 UTC Last — Breakeven — Implied vol 14.6% Delta -0.938 ≈94% ITM Gamma 0.111 Theta -0.001 Vega 0.009 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.95	—		—	$1.75	$3.80	-0.952	20.8%	—	—
Call · $43 Daily-bar session Unknown Quote as of 2026-09-04 19:55:04.422 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $43 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:07.363 UTC Last — Breakeven — Implied vol 20.8% Delta -0.952 ≈95% ITM Gamma 0.063 Theta -0.002 Vega 0.008 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.95	—		—	$2.75	$4.80	-0.96	26.6%	—	—
Call · $44 Daily-bar session Unknown Quote as of 2026-09-04 19:55:04.822 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $44 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:08.808 UTC Last — Breakeven — Implied vol 26.6% Delta -0.96 ≈96% ITM Gamma 0.043 Theta -0.003 Vega 0.007 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.95	—		—	$3.70	$5.80	-0.987	26.1%	—	—
Call · $45 Daily-bar session Unknown Quote as of 2026-09-04 19:55:05.749 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $45 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:09.956 UTC Last — Breakeven — Implied vol 26.1% Delta -0.987 ≈99% ITM Gamma 0.016 Theta 0.002 Vega 0.003 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.95	—		—	$4.70	$6.80	-0.988	31%	—	—
Call · $46 Daily-bar session Unknown Quote as of 2026-09-04 19:57:02.046 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $46 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:10.875 UTC Last — Breakeven — Implied vol 31% Delta -0.988 ≈99% ITM Gamma 0.014 Theta 0.002 Vega 0.002 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.95	—		—	$5.70	$7.80	-0.988	35.9%	—	—
Call · $47 Daily-bar session Unknown Quote as of 2026-09-04 19:55:07.624 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $47 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:11.835 UTC Last — Breakeven — Implied vol 35.9% Delta -0.988 ≈99% ITM Gamma 0.012 Theta 0.001 Vega 0.002 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.95	—		—	$6.70	$8.80	-0.988	40.6%	—	—
Call · $48 Daily-bar session Unknown Quote as of 2026-09-04 19:55:08.125 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $48 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:12.542 UTC Last — Breakeven — Implied vol 40.6% Delta -0.988 ≈99% ITM Gamma 0.01 Theta 0.001 Vega 0.002 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.95	—		—	$7.70	$9.80	-0.988	45.2%	—	—
Call · $49 Daily-bar session Unknown Quote as of 2026-09-04 19:55:08.932 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $49 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:13.082 UTC Last — Breakeven — Implied vol 45.2% Delta -0.988 ≈99% ITM Gamma 0.009 Theta 0.001 Vega 0.002 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.95	—		—	$8.70	$10.80	-0.988	49.8%	—	—
Call · $50 Daily-bar session Unknown Quote as of 2026-09-04 19:55:09.300 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $50 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:55:13.418 UTC Last — Breakeven — Implied vol 49.8% Delta -0.988 ≈99% ITM Gamma 0.008 Theta 0.001 Vega 0.002 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 daily-bar sessions 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.