ARKX · ARK Space & Defense Innovation ETF ETF

Alerts for ARKX

$32.22 -0.13 (-0.40%) At close · Sep 4

Options Chain

Underlying $32.22 · at close Sep 4, 2026 Options Calculator

Positioning

Sep 18, 2026 · 12 days to expiry · 42 contracts · mixed daily-bar sessions · Jul 21, 2026–Sep 4, 2026; 19 unknown

Put / call OI

0.92

Balanced positioning

Open interest

875

as of Sep 3, 2026

Volume

—

dated and unknown daily-bar sessions

Max pain

$33.00

$0.78 above spot

ATM implied vol

34.2%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Sep 18 12d Oct 16 40d Nov 20 75d Feb 19 166d

Calls								Puts
OI	Vol	IV	Δ	Bid	Ask	Last	Strike	Last	Bid	Ask	Δ	IV	Vol	OI
—	—	—	—	$9.60	$11.10	—		—	$0.00	$0.25	—	—	—	—
Call · $22 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:53.110 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $22 Daily-bar session Unknown Quote as of 2026-09-04 19:59:51.429 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$8.60	$10.10	—		—	$0.00	$0.25	—	—	—	—
Call · $23 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:53.102 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $23 Daily-bar session Unknown Quote as of 2026-09-04 19:59:51.415 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$7.60	$9.10	—		—	$0.00	$0.25	—	—	—	—
Call · $24 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:53.094 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $24 Daily-bar session Unknown Quote as of 2026-09-04 19:59:51.444 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
1	1	87%	0.955	$6.60	$8.10	$7.33		$0.34	$0.00	$0.25	—	—	10	10
Call · $25 In the money Daily-bar session Sep 3, 2026 Quote as of 2026-09-04 19:59:51.417 UTC Last $7.33 Breakeven $32.33 Implied vol 87% Delta 0.955 ≈95% ITM Gamma 0.019 Theta -0.022 Vega 0.006 Open interest 1 OI effective date Sep 3, 2026 Model this call Put · $25 Daily-bar session Aug 5, 2026 Quote as of 2026-09-04 19:59:53.178 UTC Last $0.34 Breakeven $24.66 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 OI effective date Sep 3, 2026 Model this put
—	—	83.1%	0.934	$5.70	$7.10	—		—	$0.00	$0.25	—	—	—	—
Call · $26 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:53.088 UTC Last — Breakeven — Implied vol 83.1% Delta 0.934 ≈93% ITM Gamma 0.026 Theta -0.028 Vega 0.008 Open interest — OI effective date — Model this call Put · $26 Daily-bar session Unknown Quote as of 2026-09-04 19:59:53.068 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
1	1	55.9%	0.965	$4.70	$5.90	$4.34		$0.25	$0.00	$0.25	—	—	15	—
Call · $27 In the money Daily-bar session Jul 29, 2026 Quote as of 2026-09-04 19:59:51.617 UTC Last $4.34 Breakeven $31.34 Implied vol 55.9% Delta 0.965 ≈96% ITM Gamma 0.024 Theta -0.013 Vega 0.005 Open interest 1 OI effective date Sep 3, 2026 Model this call Put · $27 Daily-bar session Aug 7, 2026 Quote as of 2026-09-04 19:59:51.415 UTC Last $0.25 Breakeven $26.75 Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	46.1%	0.959	$3.70	$4.90	—		$0.07	$0.00	$1.00	—	—	4	209
Call · $28 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:51.626 UTC Last — Breakeven — Implied vol 46.1% Delta 0.959 ≈96% ITM Gamma 0.033 Theta -0.013 Vega 0.005 Open interest — OI effective date — Model this call Put · $28 Daily-bar session Aug 24, 2026 Quote as of 2026-09-04 19:59:55.300 UTC Last $0.07 Breakeven $27.93 Implied vol — Delta — Gamma — Theta — Vega — Open interest 209 OI effective date Sep 3, 2026 Model this put
—	—	43.1%	0.919	$3.00	$3.70	—		$0.10	$0.05	$0.30	-0.116	51%	1	2
Call · $29 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:59.725 UTC Last — Breakeven — Implied vol 43.1% Delta 0.919 ≈92% ITM Gamma 0.059 Theta -0.018 Vega 0.009 Open interest — OI effective date — Model this call Put · $29 Daily-bar session Sep 2, 2026 Quote as of 2026-09-04 19:59:51.429 UTC Last $0.10 Breakeven $28.90 Implied vol 51% Delta -0.116 ≈12% ITM Gamma 0.065 Theta -0.024 Vega 0.011 Open interest 2 OI effective date Sep 3, 2026 Model this put
10	5	42.3%	0.838	$1.95	$3.00	$1.88		$0.09	$0.00	$0.25	—	—	10	126
Call · $30 In the money Daily-bar session Sep 4, 2026 Quote as of 2026-09-04 19:59:56.196 UTC Last $1.88 Breakeven $31.88 Implied vol 42.3% Delta 0.838 ≈84% ITM Gamma 0.099 Theta -0.028 Vega 0.014 Open interest 10 OI effective date Sep 3, 2026 Model this call Put · $30 Daily-bar session Sep 4, 2026 Quote as of 2026-09-04 19:59:54.233 UTC Last $0.09 Breakeven $29.91 Implied vol — Delta — Gamma — Theta — Vega — Open interest 126 OI effective date Sep 3, 2026 Model this put
—	2	34.7%	0.747	$1.15	$2.00	$1.75		$1.80	$0.05	$0.50	-0.24	32.4%	10	10
Call · $31 In the money Daily-bar session Aug 31, 2026 Quote as of 2026-09-04 19:59:59.741 UTC Last $1.75 Breakeven $32.75 Implied vol 34.7% Delta 0.747 ≈75% ITM Gamma 0.158 Theta -0.029 Vega 0.019 Open interest — OI effective date — Model this call Put · $31 Daily-bar session Jul 21, 2026 Quote as of 2026-09-04 19:59:59.987 UTC Last $1.80 Breakeven $29.20 Implied vol 32.4% Delta -0.24 ≈24% ITM Gamma 0.164 Theta -0.024 Vega 0.018 Open interest 10 OI effective date Sep 3, 2026 Model this put
23	14	35.1%	0.563	$0.60	$1.30	$0.99		$0.67	$0.30	$1.00	-0.435	33.3%	2	21
Call · $32 In the money Daily-bar session Sep 3, 2026 Quote as of 2026-09-04 19:59:59.773 UTC Last $0.99 Breakeven $32.99 Implied vol 35.1% Delta 0.563 ≈56% ITM Gamma 0.192 Theta -0.035 Vega 0.023 Open interest 23 OI effective date Sep 3, 2026 Model this call Put · $32 Daily-bar session Aug 31, 2026 Quote as of 2026-09-04 19:59:55.300 UTC Last $0.67 Breakeven $31.33 Implied vol 33.3% Delta -0.435 ≈44% ITM Gamma 0.203 Theta -0.03 Vega 0.023 Open interest 21 OI effective date Sep 3, 2026 Model this put
Underlying $32.22
32	5	31.3%	0.355	$0.20	$0.65	$0.50		$1.14	$0.90	$1.50	-0.638	32.8%	1	27
Call · $33 Daily-bar session Sep 3, 2026 Quote as of 2026-09-04 19:59:59.741 UTC Last $0.50 Breakeven $33.50 Implied vol 31.3% Delta 0.355 ≈35% ITM Gamma 0.204 Theta -0.029 Vega 0.022 Open interest 32 OI effective date Sep 3, 2026 Model this call Put · $33 In the money Daily-bar session Sep 3, 2026 Quote as of 2026-09-04 19:59:59.735 UTC Last $1.14 Breakeven $31.86 Implied vol 32.8% Delta -0.638 ≈64% ITM Gamma 0.195 Theta -0.028 Vega 0.022 Open interest 27 OI effective date Sep 3, 2026 Model this put
29	6	34.1%	0.206	$0.15	$0.30	$0.27		$2.05	$1.80	$2.80	-0.696	51.9%	1	8
Call · $34 Daily-bar session Sep 3, 2026 Quote as of 2026-09-04 19:59:54.234 UTC Last $0.27 Breakeven $34.27 Implied vol 34.1% Delta 0.206 ≈21% ITM Gamma 0.143 Theta -0.024 Vega 0.017 Open interest 29 OI effective date Sep 3, 2026 Model this call Put · $34 In the money Daily-bar session Aug 31, 2026 Quote as of 2026-09-04 19:59:52.127 UTC Last $2.05 Breakeven $31.95 Implied vol 51.9% Delta -0.696 ≈70% ITM Gamma 0.115 Theta -0.042 Vega 0.02 Open interest 8 OI effective date Sep 3, 2026 Model this put
153	1	—	—	$0.00	$0.30	$0.18		$2.42	$2.20	$3.40	-0.922	31%	5	7
Call · $35 Daily-bar session Sep 3, 2026 Quote as of 2026-09-04 19:59:51.384 UTC Last $0.18 Breakeven $35.18 Implied vol — Delta — Gamma — Theta — Vega — Open interest 153 OI effective date Sep 3, 2026 Model this call Put · $35 In the money Daily-bar session Aug 20, 2026 Quote as of 2026-09-04 19:59:31.442 UTC Last $2.42 Breakeven $32.58 Implied vol 31% Delta -0.922 ≈92% ITM Gamma 0.08 Theta -0.008 Vega 0.009 Open interest 7 OI effective date Sep 3, 2026 Model this put
156	1	—	—	$0.00	$0.30	$0.13		—	$3.40	$4.50	-0.86	53.5%	—	—
Call · $36 Daily-bar session Aug 26, 2026 Quote as of 2026-09-04 19:59:31.442 UTC Last $0.13 Breakeven $36.13 Implied vol — Delta — Gamma — Theta — Vega — Open interest 156 OI effective date Sep 3, 2026 Model this call Put · $36 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:51.383 UTC Last — Breakeven — Implied vol 53.5% Delta -0.86 ≈86% ITM Gamma 0.071 Theta -0.026 Vega 0.013 Open interest — OI effective date — Model this put
9	1	—	—	$0.00	$0.50	$0.12		—	$4.10	$5.30	—	—	—	—
Call · $37 Daily-bar session Aug 24, 2026 Quote as of 2026-09-04 19:59:31.442 UTC Last $0.12 Breakeven $37.12 Implied vol — Delta — Gamma — Theta — Vega — Open interest 9 OI effective date Sep 3, 2026 Model this call Put · $37 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:31.442 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
15	2	—	—	$0.00	$0.30	$0.10		—	$4.50	$6.40	—	—	—	—
Call · $38 Daily-bar session Aug 26, 2026 Quote as of 2026-09-04 19:59:31.442 UTC Last $0.10 Breakeven $38.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 15 OI effective date Sep 3, 2026 Model this call Put · $38 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:31.442 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
26	1	—	—	$0.00	$0.40	$0.05		—	$6.30	$7.20	-0.983	48.4%	—	—
Call · $39 Daily-bar session Aug 20, 2026 Quote as of 2026-09-04 19:59:31.447 UTC Last $0.05 Breakeven $39.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 26 OI effective date Sep 3, 2026 Model this call Put · $39 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:51.417 UTC Last — Breakeven — Implied vol 48.4% Delta -0.983 ≈98% ITM Gamma 0.015 Theta -0.001 Vega 0.003 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.70	—		—	$7.00	$8.50	-0.984	54.3%	—	—
Call · $40 Daily-bar session Unknown Quote as of 2026-09-04 19:59:31.543 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $40 In the money Daily-bar session Unknown Quote as of 2026-09-04 19:59:51.417 UTC Last — Breakeven — Implied vol 54.3% Delta -0.984 ≈98% ITM Gamma 0.013 Theta -0.001 Vega 0.002 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.75	—		$7.36	$8.00	$9.50	-0.984	60.1%	2	—
Call · $41 Daily-bar session Unknown Quote as of 2026-09-04 19:59:31.629 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 Aug 19, 2026 Quote as of 2026-09-04 19:59:51.417 UTC Last $7.36 Breakeven $33.64 Implied vol 60.1% Delta -0.984 ≈98% ITM Gamma 0.011 Theta -0.002 Vega 0.002 Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$0.75	—		—	$9.00	$10.50	-0.985	65.7%	—	—
Call · $42 Daily-bar session Unknown Quote as of 2026-09-04 19:59:31.656 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 19:59:51.417 UTC Last — Breakeven — Implied vol 65.7% Delta -0.985 ≈98% ITM Gamma 0.01 Theta -0.002 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 mixed daily-bar sessions · Jul 21, 2026–Sep 4, 2026; 19 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.