IEFA · iShares MSCI All Country Asia ex Japan ETF

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$100.49 -0.28 (-0.28%) At close · Aug 28

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Options Chain

Underlying $100.49 · at close Aug 28, 2026 Options Calculator

Positioning

Sep 18, 2026 · 20 days to expiry · 62 contracts · mixed snapshot sessions · Jan 21, 2026–Aug 28, 2026; 19 unknown

Put / call OI

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dated and unknown snapshot sessions

Open interest

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dated and unknown snapshot sessions

Volume

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dated and unknown snapshot sessions

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Sep 18 20d Oct 16 48d Dec 18 111d Mar 19 202d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	175.8%	0.971	—		—	—	—	—	0
Call · $50 In the money Snapshot session Unknown Last — Breakeven — Implied vol 175.8% Delta 0.971 ≈97% ITM Gamma 0.002 Theta -0.064 Vega 0.017 Open interest 0 Model this call Put · $50 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	154.3%	0.967	—		—	—	—	—	0
Call · $55 In the money Snapshot session Unknown Last — Breakeven — Implied vol 154.3% Delta 0.967 ≈97% ITM Gamma 0.002 Theta -0.063 Vega 0.017 Open interest 0 Model this call Put · $55 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	735	134.8%	0.963	$37.90		—	—	—	—	0
Call · $60 In the money Snapshot session Jun 12, 2026 Last $37.90 Breakeven $97.90 Implied vol 134.8% Delta 0.963 ≈96% ITM Gamma 0.003 Theta -0.061 Vega 0.018 Open interest 0 Model this call Put · $60 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	2	117%	0.957	$27.80		$0.37	-0.036	111.1%	10	25
Call · $65 In the money Snapshot session Mar 11, 2026 Last $27.80 Breakeven $92.80 Implied vol 117% Delta 0.957 ≈96% ITM Gamma 0.003 Theta -0.06 Vega 0.019 Open interest 0 Model this call Put · $65 Snapshot session May 1, 2026 Last $0.37 Breakeven $64.63 Implied vol 111.1% Delta -0.036 ≈4% ITM Gamma 0.003 Theta -0.051 Vega 0.019 Open interest 25 Model this put
0	2	105.2%	0.945	$27.50		$0.40	-0.042	95.1%	39	40
Call · $70 In the money Snapshot session Jun 1, 2026 Last $27.50 Breakeven $97.50 Implied vol 105.2% Delta 0.945 ≈95% ITM Gamma 0.005 Theta -0.067 Vega 0.034 Open interest 0 Model this call Put · $70 Snapshot session Jun 12, 2026 Last $0.40 Breakeven $69.60 Implied vol 95.1% Delta -0.042 ≈4% ITM Gamma 0.004 Theta -0.049 Vega 0.02 Open interest 40 Model this put
0	—	87.8%	0.936	—		$0.46	-0.049	80.3%	2	2
Call · $75 In the money Snapshot session Unknown Last — Breakeven — Implied vol 87.8% Delta 0.936 ≈94% ITM Gamma 0.006 Theta -0.063 Vega 0.036 Open interest 0 Model this call Put · $75 Snapshot session Jun 1, 2026 Last $0.46 Breakeven $74.54 Implied vol 80.3% Delta -0.049 ≈5% ITM Gamma 0.005 Theta -0.048 Vega 0.021 Open interest 2 Model this put
1	2	74.3%	0.917	$16.72		$1.16	-0.059	66.3%	1	1
Call · $80 In the money Snapshot session Jun 24, 2026 Last $16.72 Breakeven $96.72 Implied vol 74.3% Delta 0.917 ≈92% ITM Gamma 0.009 Theta -0.065 Vega 0.037 Open interest 1 Model this call Put · $80 Snapshot session Apr 27, 2026 Last $1.16 Breakeven $78.84 Implied vol 66.3% Delta -0.059 ≈6% ITM Gamma 0.008 Theta -0.046 Vega 0.037 Open interest 1 Model this put
0	—	49.3%	0.965	—		—	-0.064	60.2%	—	0
Call · $82 In the money Snapshot session Unknown Last — Breakeven — Implied vol 49.3% Delta 0.965 ≈97% ITM Gamma 0.007 Theta -0.021 Vega 0.022 Open interest 0 Model this call Put · $82 Snapshot session Unknown Last — Breakeven — Implied vol 60.2% Delta -0.064 ≈6% ITM Gamma 0.009 Theta -0.044 Vega 0.038 Open interest 0 Model this put
1	2	63.6%	0.911	$16.64		—	-0.076	59.9%	—	0
Call · $83 In the money Snapshot session Feb 24, 2026 Last $16.64 Breakeven $99.64 Implied vol 63.6% Delta 0.911 ≈91% ITM Gamma 0.011 Theta -0.059 Vega 0.038 Open interest 1 Model this call Put · $83 Snapshot session Unknown Last — Breakeven — Implied vol 59.9% Delta -0.076 ≈8% ITM Gamma 0.01 Theta -0.05 Vega 0.038 Open interest 0 Model this put
2	1	59.3%	0.911	$7.76		$0.30	-0.07	54.3%	1	6
Call · $84 In the money Snapshot session Mar 27, 2026 Last $7.76 Breakeven $91.76 Implied vol 59.3% Delta 0.911 ≈91% ITM Gamma 0.011 Theta -0.055 Vega 0.038 Open interest 2 Model this call Put · $84 Snapshot session Jul 15, 2026 Last $0.30 Breakeven $83.70 Implied vol 54.3% Delta -0.07 ≈7% ITM Gamma 0.01 Theta -0.043 Vega 0.038 Open interest 6 Model this put
10	1	61.5%	0.891	$8.80		$0.62	-0.073	51.3%	1	1
Call · $85 In the money Snapshot session Apr 7, 2026 Last $8.80 Breakeven $93.80 Implied vol 61.5% Delta 0.891 ≈89% ITM Gamma 0.013 Theta -0.067 Vega 0.038 Open interest 10 Model this call Put · $85 Snapshot session Jun 16, 2026 Last $0.62 Breakeven $84.38 Implied vol 51.3% Delta -0.073 ≈7% ITM Gamma 0.011 Theta -0.042 Vega 0.038 Open interest 1 Model this put
2	1	53.4%	0.903	$8.45		—	-0.077	48.5%	—	0
Call · $86 In the money Snapshot session Mar 9, 2026 Last $8.45 Breakeven $94.45 Implied vol 53.4% Delta 0.903 ≈90% ITM Gamma 0.014 Theta -0.053 Vega 0.039 Open interest 2 Model this call Put · $86 Snapshot session Unknown Last — Breakeven — Implied vol 48.5% Delta -0.077 ≈8% ITM Gamma 0.013 Theta -0.041 Vega 0.039 Open interest 0 Model this put
119	150	50.5%	0.898	$14.47		$2.65	-0.081	45.6%	5	5
Call · $87 In the money Snapshot session Aug 11, 2026 Last $14.47 Breakeven $101.47 Implied vol 50.5% Delta 0.898 ≈90% ITM Gamma 0.015 Theta -0.052 Vega 0.039 Open interest 119 Model this call Put · $87 Snapshot session Jan 21, 2026 Last $2.65 Breakeven $84.35 Implied vol 45.6% Delta -0.081 ≈8% ITM Gamma 0.014 Theta -0.04 Vega 0.039 Open interest 5 Model this put
10	3	47.6%	0.893	$11.40		$1.00	-0.086	42.8%	15	15
Call · $88 In the money Snapshot session Jul 30, 2026 Last $11.40 Breakeven $99.40 Implied vol 47.6% Delta 0.893 ≈89% ITM Gamma 0.016 Theta -0.051 Vega 0.039 Open interest 10 Model this call Put · $88 Snapshot session May 29, 2026 Last $1.00 Breakeven $87.00 Implied vol 42.8% Delta -0.086 ≈9% ITM Gamma 0.015 Theta -0.039 Vega 0.039 Open interest 15 Model this put
0	—	44.8%	0.887	—		$0.60	-0.091	40%	6	7
Call · $89 In the money Snapshot session Unknown Last — Breakeven — Implied vol 44.8% Delta 0.887 ≈89% ITM Gamma 0.018 Theta -0.05 Vega 0.039 Open interest 0 Model this call Put · $89 Snapshot session Jul 29, 2026 Last $0.60 Breakeven $88.40 Implied vol 40% Delta -0.091 ≈9% ITM Gamma 0.017 Theta -0.038 Vega 0.039 Open interest 7 Model this put
1	1	45.5%	0.86	$6.50		$1.17	-0.115	41.1%	7	26
Call · $90 In the money Snapshot session Apr 1, 2026 Last $6.50 Breakeven $96.50 Implied vol 45.5% Delta 0.86 ≈86% ITM Gamma 0.021 Theta -0.059 Vega 0.059 Open interest 1 Model this call Put · $90 Snapshot session Aug 7, 2026 Last $1.17 Breakeven $88.83 Implied vol 41.1% Delta -0.115 ≈12% ITM Gamma 0.02 Theta -0.047 Vega 0.039 Open interest 26 Model this put
0	—	43.1%	0.847	—		—	-0.192	52.2%	—	0
Call · $91 In the money Snapshot session Unknown Last — Breakeven — Implied vol 43.1% Delta 0.847 ≈85% ITM Gamma 0.023 Theta -0.059 Vega 0.06 Open interest 0 Model this call Put · $91 Snapshot session Unknown Last — Breakeven — Implied vol 52.2% Delta -0.192 ≈19% ITM Gamma 0.022 Theta -0.084 Vega 0.06 Open interest 0 Model this put
1	5	39.8%	0.837	$7.85		$0.75	-0.058	24.6%	1	45
Call · $92 In the money Snapshot session Jun 15, 2026 Last $7.85 Breakeven $99.85 Implied vol 39.8% Delta 0.837 ≈84% ITM Gamma 0.026 Theta -0.057 Vega 0.06 Open interest 1 Model this call Put · $92 Snapshot session Jul 30, 2026 Last $0.75 Breakeven $91.25 Implied vol 24.6% Delta -0.058 ≈6% ITM Gamma 0.02 Theta -0.017 Vega 0.023 Open interest 45 Model this put
0	—	36.6%	0.825	—		$2.91	-0.12	29.3%	3	3
Call · $93 In the money Snapshot session Unknown Last — Breakeven — Implied vol 36.6% Delta 0.825 ≈83% ITM Gamma 0.03 Theta -0.055 Vega 0.06 Open interest 0 Model this call Put · $93 Snapshot session Feb 20, 2026 Last $2.91 Breakeven $90.09 Implied vol 29.3% Delta -0.12 ≈12% ITM Gamma 0.029 Theta -0.035 Vega 0.04 Open interest 3 Model this put
1	1	34.2%	0.807	$2.58		$2.90	-0.131	26.3%	1	0
Call · $94 In the money Snapshot session Mar 20, 2026 Last $2.58 Breakeven $96.58 Implied vol 34.2% Delta 0.807 ≈81% ITM Gamma 0.034 Theta -0.055 Vega 0.061 Open interest 1 Model this call Put · $94 Snapshot session Jun 8, 2026 Last $2.90 Breakeven $91.10 Implied vol 26.3% Delta -0.131 ≈13% ITM Gamma 0.035 Theta -0.033 Vega 0.06 Open interest 0 Model this put
21	10	31.1%	0.79	$4.70		—	-0.144	23.3%	—	0
Call · $95 In the money Snapshot session Apr 9, 2026 Last $4.70 Breakeven $99.70 Implied vol 31.1% Delta 0.79 ≈79% ITM Gamma 0.04 Theta -0.053 Vega 0.061 Open interest 21 Model this call Put · $95 Snapshot session Unknown Last — Breakeven — Implied vol 23.3% Delta -0.144 ≈14% ITM Gamma 0.042 Theta -0.031 Vega 0.061 Open interest 0 Model this put
0	—	27.6%	0.77	—		—	-0.162	20.2%	—	0
Call · $96 In the money Snapshot session Unknown Last — Breakeven — Implied vol 27.6% Delta 0.77 ≈77% ITM Gamma 0.047 Theta -0.05 Vega 0.08 Open interest 0 Model this call Put · $96 Snapshot session Unknown Last — Breakeven — Implied vol 20.2% Delta -0.162 ≈16% ITM Gamma 0.051 Theta -0.029 Vega 0.061 Open interest 0 Model this put
20	10	25.1%	0.734	$2.82		$2.60	-0.185	17.2%	1	15
Call · $97 In the money Snapshot session Jul 16, 2026 Last $2.82 Breakeven $99.82 Implied vol 25.1% Delta 0.734 ≈73% ITM Gamma 0.055 Theta -0.048 Vega 0.08 Open interest 20 Model this call Put · $97 Snapshot session Jul 24, 2026 Last $2.60 Breakeven $94.40 Implied vol 17.2% Delta -0.185 ≈18% ITM Gamma 0.066 Theta -0.027 Vega 0.061 Open interest 15 Model this put
9	1	22.6%	0.691	$3.78		$2.58	-0.217	14.2%	1	2
Call · $98 In the money Snapshot session Aug 5, 2026 Last $3.78 Breakeven $101.78 Implied vol 22.6% Delta 0.691 ≈69% ITM Gamma 0.066 Theta -0.047 Vega 0.081 Open interest 9 Model this call Put · $98 Snapshot session Jul 15, 2026 Last $2.58 Breakeven $95.42 Implied vol 14.2% Delta -0.217 ≈22% ITM Gamma 0.089 Theta -0.025 Vega 0.062 Open interest 2 Model this put
10	1	20.5%	0.631	$3.18		$0.70	-0.294	12.2%	11	28
Call · $99 In the money Snapshot session Aug 25, 2026 Last $3.18 Breakeven $102.18 Implied vol 20.5% Delta 0.631 ≈63% ITM Gamma 0.078 Theta -0.046 Vega 0.093 Open interest 10 Model this call Put · $99 Snapshot session Aug 24, 2026 Last $0.70 Breakeven $98.30 Implied vol 12.2% Delta -0.294 ≈29% ITM Gamma 0.12 Theta -0.024 Vega 0.081 Open interest 28 Model this put
64	1	17.7%	0.555	$1.73		$1.50	-0.406	9.5%	1	4
Call · $100 In the money Snapshot session Aug 27, 2026 Last $1.73 Breakeven $101.73 Implied vol 17.7% Delta 0.555 ≈56% ITM Gamma 0.095 Theta -0.042 Vega 0.093 Open interest 64 Model this call Put · $100 Snapshot session Aug 18, 2026 Last $1.50 Breakeven $98.50 Implied vol 9.5% Delta -0.406 ≈41% ITM Gamma 0.173 Theta -0.021 Vega 0.093 Open interest 4 Model this put
Underlying $100.49
22	1	13.7%	0.446	$1.35		$1.10	-0.584	9.2%	1	0
Call · $101 Snapshot session Aug 28, 2026 Last $1.35 Breakeven $102.35 Implied vol 13.7% Delta 0.446 ≈45% ITM Gamma 0.123 Theta -0.032 Vega 0.094 Open interest 22 Model this call Put · $101 In the money Snapshot session Aug 28, 2026 Last $1.10 Breakeven $99.90 Implied vol 9.2% Delta -0.584 ≈58% ITM Gamma 0.18 Theta -0.021 Vega 0.094 Open interest 0 Model this put
154	1	12.5%	0.314	$0.70		—	-0.838	6.4%	—	0
Call · $102 Snapshot session Aug 28, 2026 Last $0.70 Breakeven $102.70 Implied vol 12.5% Delta 0.314 ≈31% ITM Gamma 0.12 Theta -0.026 Vega 0.083 Open interest 154 Model this call Put · $102 In the money Snapshot session Unknown Last — Breakeven — Implied vol 6.4% Delta -0.838 ≈84% ITM Gamma 0.168 Theta -0.008 Vega 0.063 Open interest 0 Model this put
230	64	16.9%	0.137	$0.18		$13.76	—	—	22	5
Call · $105 Snapshot session Aug 24, 2026 Last $0.18 Breakeven $105.18 Implied vol 16.9% Delta 0.137 ≈14% ITM Gamma 0.056 Theta -0.022 Vega 0.043 Open interest 230 Model this call Put · $105 In the money Snapshot session Mar 11, 2026 Last $13.76 Breakeven $91.24 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 Model this put
7	5	32.5%	0.126	$0.20		—	—	—	—	0
Call · $110 Snapshot session Aug 27, 2026 Last $0.20 Breakeven $110.20 Implied vol 32.5% Delta 0.126 ≈13% ITM Gamma 0.027 Theta -0.04 Vega 0.044 Open interest 7 Model this call Put · $110 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	—	—	$0.05		$20.05	—	—	2	0
Call · $115 Snapshot session Mar 16, 2026 Last $0.05 Breakeven $115.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $115 In the money Snapshot session May 1, 2026 Last $20.05 Breakeven $94.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Each contract's last price, volume, greeks, implied volatility and open interest belongs to the snapshot session shown in its details; unknown means the provider omitted the timestamp. This chain has mixed snapshot sessions · Jan 21, 2026–Aug 28, 2026; 19 unknown. Cross-contract positioning totals are shown only when every returned row has the same known session. 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 18 strikes around the money are shown by default — switch to "All 31" for the wings.

Key facts CIK 1100663 CUSIP 464288182 13F (30d) 156 filings 152 filers