MDYG · State Street SPDR Bloomberg International Treasury Bond ETF

Track MDYG — free

$108.46 -1.90 (-1.72%) At close · Aug 28

Rebalance outlook locked

Options Chain

Underlying $108.46 · at close Aug 28, 2026 Options Calculator

Positioning

Sep 18, 2026 · 20 days to expiry · 56 contracts · mixed snapshot sessions · Feb 5, 2026–Aug 14, 2026; 50 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	—	63.9%	0.905	—		—	-0.035	45.4%	—	0
Call · $90 In the money Snapshot session Unknown Last — Breakeven — Implied vol 63.9% Delta 0.905 ≈91% ITM Gamma 0.01 Theta -0.074 Vega 0.041 Open interest 0 Model this call Put · $90 Snapshot session Unknown Last — Breakeven — Implied vol 45.4% Delta -0.035 ≈4% ITM Gamma 0.007 Theta -0.022 Vega 0.023 Open interest 0 Model this put
0	—	61.2%	0.902	—		—	-0.044	45.2%	—	0
Call · $91 In the money Snapshot session Unknown Last — Breakeven — Implied vol 61.2% Delta 0.902 ≈90% ITM Gamma 0.011 Theta -0.073 Vega 0.041 Open interest 0 Model this call Put · $91 Snapshot session Unknown Last — Breakeven — Implied vol 45.2% Delta -0.044 ≈4% ITM Gamma 0.008 Theta -0.026 Vega 0.024 Open interest 0 Model this put
0	—	58.4%	0.898	—		—	-0.046	43%	—	0
Call · $92 In the money Snapshot session Unknown Last — Breakeven — Implied vol 58.4% Delta 0.898 ≈90% ITM Gamma 0.012 Theta -0.072 Vega 0.041 Open interest 0 Model this call Put · $92 Snapshot session Unknown Last — Breakeven — Implied vol 43% Delta -0.046 ≈5% ITM Gamma 0.009 Theta -0.026 Vega 0.024 Open interest 0 Model this put
1	1	56.9%	0.89	$7.40		—	-0.041	38.6%	—	0
Call · $93 In the money Snapshot session Mar 13, 2026 Last $7.40 Breakeven $100.40 Implied vol 56.9% Delta 0.89 ≈89% ITM Gamma 0.013 Theta -0.074 Vega 0.042 Open interest 1 Model this call Put · $93 Snapshot session Unknown Last — Breakeven — Implied vol 38.6% Delta -0.041 ≈4% ITM Gamma 0.009 Theta -0.021 Vega 0.024 Open interest 0 Model this put
0	—	34.6%	0.964	—		—	-0.129	57.5%	—	0
Call · $94 In the money Snapshot session Unknown Last — Breakeven — Implied vol 34.6% Delta 0.964 ≈96% ITM Gamma 0.009 Theta -0.024 Vega 0.024 Open interest 0 Model this call Put · $94 Snapshot session Unknown Last — Breakeven — Implied vol 57.5% Delta -0.129 ≈13% ITM Gamma 0.014 Theta -0.075 Vega 0.063 Open interest 0 Model this put
0	—	32.4%	0.963	—		—	-0.046	34.3%	—	0
Call · $95 In the money Snapshot session Unknown Last — Breakeven — Implied vol 32.4% Delta 0.963 ≈96% ITM Gamma 0.01 Theta -0.024 Vega 0.024 Open interest 0 Model this call Put · $95 Snapshot session Unknown Last — Breakeven — Implied vol 34.3% Delta -0.046 ≈5% ITM Gamma 0.011 Theta -0.02 Vega 0.024 Open interest 0 Model this put
1	1	30.2%	0.961	$5.20		—	-0.065	35.8%	—	0
Call · $96 In the money Snapshot session Feb 5, 2026 Last $5.20 Breakeven $101.20 Implied vol 30.2% Delta 0.961 ≈96% ITM Gamma 0.011 Theta -0.023 Vega 0.024 Open interest 1 Model this call Put · $96 Snapshot session Unknown Last — Breakeven — Implied vol 35.8% Delta -0.065 ≈7% ITM Gamma 0.014 Theta -0.028 Vega 0.042 Open interest 0 Model this put
1	1	28%	0.959	$5.30		—	-0.061	32.1%	—	0
Call · $97 In the money Snapshot session Mar 18, 2026 Last $5.30 Breakeven $102.30 Implied vol 28% Delta 0.959 ≈96% ITM Gamma 0.012 Theta -0.023 Vega 0.024 Open interest 1 Model this call Put · $97 Snapshot session Unknown Last — Breakeven — Implied vol 32.1% Delta -0.061 ≈6% ITM Gamma 0.015 Theta -0.024 Vega 0.042 Open interest 0 Model this put
0	—	25.8%	0.956	—		—	-0.055	27.9%	—	0
Call · $98 In the money Snapshot session Unknown Last — Breakeven — Implied vol 25.8% Delta 0.956 ≈96% ITM Gamma 0.014 Theta -0.022 Vega 0.024 Open interest 0 Model this call Put · $98 Snapshot session Unknown Last — Breakeven — Implied vol 27.9% Delta -0.055 ≈6% ITM Gamma 0.016 Theta -0.019 Vega 0.024 Open interest 0 Model this put
1	1	31.9%	0.897	$7.90		—	-0.079	28.4%	—	0
Call · $99 In the money Snapshot session Apr 23, 2026 Last $7.90 Breakeven $106.90 Implied vol 31.9% Delta 0.897 ≈90% ITM Gamma 0.022 Theta -0.043 Vega 0.042 Open interest 1 Model this call Put · $99 Snapshot session Unknown Last — Breakeven — Implied vol 28.4% Delta -0.079 ≈8% ITM Gamma 0.02 Theta -0.025 Vega 0.042 Open interest 0 Model this put
1	1	28.2%	0.898	$5.60		—	-0.111	29.5%	—	0
Call · $100 In the money Snapshot session Feb 18, 2026 Last $5.60 Breakeven $105.60 Implied vol 28.2% Delta 0.898 ≈90% ITM Gamma 0.025 Theta -0.039 Vega 0.042 Open interest 1 Model this call Put · $100 Snapshot session Unknown Last — Breakeven — Implied vol 29.5% Delta -0.111 ≈11% ITM Gamma 0.025 Theta -0.034 Vega 0.043 Open interest 0 Model this put
0	—	19.5%	0.946	—		—	-0.148	30.3%	—	0
Call · $101 In the money Snapshot session Unknown Last — Breakeven — Implied vol 19.5% Delta 0.946 ≈95% ITM Gamma 0.022 Theta -0.021 Vega 0.024 Open interest 0 Model this call Put · $101 Snapshot session Unknown Last — Breakeven — Implied vol 30.3% Delta -0.148 ≈15% ITM Gamma 0.03 Theta -0.043 Vega 0.064 Open interest 0 Model this put
0	—	33.5%	0.798	—		—	-0.183	30.5%	—	0
Call · $102 In the money Snapshot session Unknown Last — Breakeven — Implied vol 33.5% Delta 0.798 ≈80% ITM Gamma 0.033 Theta -0.066 Vega 0.065 Open interest 0 Model this call Put · $102 Snapshot session Unknown Last — Breakeven — Implied vol 30.5% Delta -0.183 ≈18% ITM Gamma 0.034 Theta -0.049 Vega 0.065 Open interest 0 Model this put
0	—	30.4%	0.782	—		—	-0.223	31.1%	—	0
Call · $103 In the money Snapshot session Unknown Last — Breakeven — Implied vol 30.4% Delta 0.782 ≈78% ITM Gamma 0.038 Theta -0.063 Vega 0.086 Open interest 0 Model this call Put · $103 Snapshot session Unknown Last — Breakeven — Implied vol 31.1% Delta -0.223 ≈22% ITM Gamma 0.038 Theta -0.057 Vega 0.086 Open interest 0 Model this put
0	—	28.1%	0.754	—		—	-0.303	38.9%	—	0
Call · $104 In the money Snapshot session Unknown Last — Breakeven — Implied vol 28.1% Delta 0.754 ≈75% ITM Gamma 0.044 Theta -0.062 Vega 0.086 Open interest 0 Model this call Put · $104 Snapshot session Unknown Last — Breakeven — Implied vol 38.9% Delta -0.303 ≈30% ITM Gamma 0.035 Theta -0.083 Vega 0.087 Open interest 0 Model this put
0	—	24.7%	0.728	—		—	-0.305	30%	—	0
Call · $105 In the money Snapshot session Unknown Last — Breakeven — Implied vol 24.7% Delta 0.728 ≈73% ITM Gamma 0.052 Theta -0.058 Vega 0.087 Open interest 0 Model this call Put · $105 Snapshot session Unknown Last — Breakeven — Implied vol 30% Delta -0.305 ≈31% ITM Gamma 0.046 Theta -0.064 Vega 0.087 Open interest 0 Model this put
0	—	23.9%	0.678	—		—	-0.365	33.5%	—	0
Call · $106 In the money Snapshot session Unknown Last — Breakeven — Implied vol 23.9% Delta 0.678 ≈68% ITM Gamma 0.059 Theta -0.06 Vega 0.087 Open interest 0 Model this call Put · $106 Snapshot session Unknown Last — Breakeven — Implied vol 33.5% Delta -0.365 ≈36% ITM Gamma 0.044 Theta -0.076 Vega 0.1 Open interest 0 Model this put
0	—	21.4%	0.627	—		—	-0.398	27.8%	—	0
Call · $107 In the money Snapshot session Unknown Last — Breakeven — Implied vol 21.4% Delta 0.627 ≈63% ITM Gamma 0.069 Theta -0.056 Vega 0.101 Open interest 0 Model this call Put · $107 Snapshot session Unknown Last — Breakeven — Implied vol 27.8% Delta -0.398 ≈40% ITM Gamma 0.055 Theta -0.064 Vega 0.101 Open interest 0 Model this put
0	—	19.5%	0.56	—		—	-0.448	22.3%	—	0
Call · $108 In the money Snapshot session Unknown Last — Breakeven — Implied vol 19.5% Delta 0.56 ≈56% ITM Gamma 0.079 Theta -0.053 Vega 0.102 Open interest 0 Model this call Put · $108 Snapshot session Unknown Last — Breakeven — Implied vol 22.3% Delta -0.448 ≈45% ITM Gamma 0.07 Theta -0.052 Vega 0.102 Open interest 0 Model this put
Underlying $108.46
0	—	18.7%	0.48	—		—	-0.526	18.3%	—	0
Call · $109 Snapshot session Unknown Last — Breakeven — Implied vol 18.7% Delta 0.48 ≈48% ITM Gamma 0.083 Theta -0.051 Vega 0.103 Open interest 0 Model this call Put · $109 In the money Snapshot session Unknown Last — Breakeven — Implied vol 18.3% Delta -0.526 ≈53% ITM Gamma 0.086 Theta -0.042 Vega 0.103 Open interest 0 Model this put
0	—	24.8%	0.428	—		—	-0.828	6.6%	—	0
Call · $110 Snapshot session Unknown Last — Breakeven — Implied vol 24.8% Delta 0.428 ≈43% ITM Gamma 0.062 Theta -0.065 Vega 0.104 Open interest 0 Model this call Put · $110 In the money Snapshot session Unknown Last — Breakeven — Implied vol 6.6% Delta -0.828 ≈83% ITM Gamma 0.203 Theta -0.007 Vega 0.064 Open interest 0 Model this put
0	—	26.2%	0.376	—		—	—	—	—	0
Call · $111 Snapshot session Unknown Last — Breakeven — Implied vol 26.2% Delta 0.376 ≈38% ITM Gamma 0.057 Theta -0.067 Vega 0.091 Open interest 0 Model this call Put · $111 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	33.8%	0.367	—		—	—	—	—	0
Call · $112 Snapshot session Unknown Last — Breakeven — Implied vol 33.8% Delta 0.367 ≈37% ITM Gamma 0.044 Theta -0.084 Vega 0.092 Open interest 0 Model this call Put · $112 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2	2	41.8%	0.364	$2.44		—	—	—	—	0
Call · $113 Snapshot session Aug 14, 2026 Last $2.44 Breakeven $115.44 Implied vol 41.8% Delta 0.364 ≈36% ITM Gamma 0.035 Theta -0.102 Vega 0.092 Open interest 2 Model this call Put · $113 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	38%	0.314	—		—	—	—	—	0
Call · $114 Snapshot session Unknown Last — Breakeven — Implied vol 38% Delta 0.314 ≈31% ITM Gamma 0.036 Theta -0.087 Vega 0.093 Open interest 0 Model this call Put · $114 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	34.9%	0.258	—		—	—	—	—	0
Call · $115 Snapshot session Unknown Last — Breakeven — Implied vol 34.9% Delta 0.258 ≈26% ITM Gamma 0.036 Theta -0.074 Vega 0.093 Open interest 0 Model this call Put · $115 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $116 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $116 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $117 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $117 In the money Snapshot session Unknown Last — Breakeven — 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 · Feb 5, 2026–Aug 14, 2026; 50 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.

Key facts CIK 1064642 CUSIP 78464A516 13F (30d) 109 filings 109 filers