STT · State Street Corp

Track STT — free Ask ALVIS about STT

$185.45 +1.24 (+0.67%) At close · Jul 24

Market Cap

$51.31B

276.77M

Options Chain

15-min delayed Underlying $185.45 · today Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 54 contracts

Put / call OI

0.54

Call-heavy positioning

Open interest

4,427

contracts outstanding

Volume

411

traded today

Max pain

$160.00

$25.45 below spot

ATM implied vol

30.2%

market's expected move

Open interest by strike

Calls Puts

100

105

110

115

120

125

130

135

140

145

150

155

160

165

170

175

180

185

190

195

200

210

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 26d Sep 18 54d Nov 20 117d Dec 18 145d Jan 15 173d Feb 19 208d Mar 19 236d Jun 17 326d Jan 21 544d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	201.8%	0.973	—		$0.20	-0.01	159.1%	1	5
Call · $75 In the money Last — Breakeven — Implied vol 201.8% Delta 0.973 ≈97% ITM Gamma 0.001 Theta -0.113 Vega 0.031 Open interest 0 Model this call Put · $75 Last $0.20 Breakeven $74.80 Implied vol 159.1% Delta -0.01 ≈1% ITM Gamma 0 Theta -0.038 Vega 0.016 Open interest 5 Model this put
0	—	190.1%	0.971	—		$0.20	-0.01	146.9%	1	6
Call · $80 In the money Last — Breakeven — Implied vol 190.1% Delta 0.971 ≈97% ITM Gamma 0.001 Theta -0.115 Vega 0.032 Open interest 0 Model this call Put · $80 Last $0.20 Breakeven $79.80 Implied vol 146.9% Delta -0.01 ≈1% ITM Gamma 0 Theta -0.035 Vega 0.016 Open interest 6 Model this put
0	—	183.7%	0.966	—		$0.10	-0.01	136.9%	2	2
Call · $85 In the money Last — Breakeven — Implied vol 183.7% Delta 0.966 ≈97% ITM Gamma 0.001 Theta -0.128 Vega 0.033 Open interest 0 Model this call Put · $85 Last $0.10 Breakeven $84.90 Implied vol 136.9% Delta -0.01 ≈1% ITM Gamma 0 Theta -0.035 Vega 0.017 Open interest 2 Model this put
0	—	171.8%	0.963	—		$0.10	-0.012	128.9%	1	11
Call · $90 In the money Last — Breakeven — Implied vol 171.8% Delta 0.963 ≈96% ITM Gamma 0.001 Theta -0.127 Vega 0.034 Open interest 0 Model this call Put · $90 Last $0.10 Breakeven $89.90 Implied vol 128.9% Delta -0.012 ≈1% ITM Gamma 0 Theta -0.037 Vega 0.017 Open interest 11 Model this put
0	—	156.4%	0.963	—		$0.05	-0.005	103.9%	7	21
Call · $95 In the money Last — Breakeven — Implied vol 156.4% Delta 0.963 ≈96% ITM Gamma 0.001 Theta -0.115 Vega 0.035 Open interest 0 Model this call Put · $95 Last $0.05 Breakeven $94.95 Implied vol 103.9% Delta -0.005 ≈1% ITM Gamma 0 Theta -0.015 Vega 0.008 Open interest 21 Model this put
0	1	145.9%	0.961	$51.30		$0.19	-0.006	96.5%	4	22
Call · $100 In the money Last $51.30 Breakeven $151.30 Implied vol 145.9% Delta 0.961 ≈96% ITM Gamma 0.001 Theta -0.114 Vega 0.036 Open interest 0 Model this call Put · $100 Last $0.19 Breakeven $99.81 Implied vol 96.5% Delta -0.006 ≈1% ITM Gamma 0 Theta -0.015 Vega 0.008 Open interest 22 Model this put
0	10	138.7%	0.956	$65.20		$0.15	-0.01	96.9%	4	26
Call · $105 In the money Last $65.20 Breakeven $170.20 Implied vol 138.7% Delta 0.956 ≈96% ITM Gamma 0.001 Theta -0.12 Vega 0.037 Open interest 0 Model this call Put · $105 Last $0.15 Breakeven $104.85 Implied vol 96.9% Delta -0.01 ≈1% ITM Gamma 0.001 Theta -0.024 Vega 0.019 Open interest 26 Model this put
0	1	122.7%	0.959	$44.44		$0.10	-0.014	93.4%	1	20
Call · $110 In the money Last $44.44 Breakeven $154.44 Implied vol 122.7% Delta 0.959 ≈96% ITM Gamma 0.001 Theta -0.101 Vega 0.038 Open interest 0 Model this call Put · $110 Last $0.10 Breakeven $109.90 Implied vol 93.4% Delta -0.014 ≈1% ITM Gamma 0.001 Theta -0.031 Vega 0.019 Open interest 20 Model this put
1	1	123.8%	0.944	$14.40		$0.05	-0.006	73.5%	1	15
Call · $115 In the money Last $14.40 Breakeven $129.40 Implied vol 123.8% Delta 0.944 ≈94% ITM Gamma 0.002 Theta -0.13 Vega 0.068 Open interest 1 Model this call Put · $115 Last $0.05 Breakeven $114.95 Implied vol 73.5% Delta -0.006 ≈1% ITM Gamma 0 Theta -0.011 Vega 0.008 Open interest 15 Model this put
24	10	109.8%	0.947	$30.10		$0.05	-0.039	98.9%	2	95
Call · $120 In the money Last $30.10 Breakeven $150.10 Implied vol 109.8% Delta 0.947 ≈95% ITM Gamma 0.002 Theta -0.111 Vega 0.069 Open interest 24 Model this call Put · $120 Last $0.05 Breakeven $119.95 Implied vol 98.9% Delta -0.039 ≈4% ITM Gamma 0.002 Theta -0.079 Vega 0.04 Open interest 95 Model this put
33	5	101.4%	0.942	$45.10		$0.15	-0.022	77.5%	55	65
Call · $125 In the money Last $45.10 Breakeven $170.10 Implied vol 101.4% Delta 0.942 ≈94% ITM Gamma 0.002 Theta -0.111 Vega 0.071 Open interest 33 Model this call Put · $125 Last $0.15 Breakeven $124.85 Implied vol 77.5% Delta -0.022 ≈2% ITM Gamma 0.001 Theta -0.039 Vega 0.021 Open interest 65 Model this put
33	4	92.6%	0.938	$53.90		$0.58	-0.054	88.9%	1	9
Call · $130 In the money Last $53.90 Breakeven $183.90 Implied vol 92.6% Delta 0.938 ≈94% ITM Gamma 0.003 Theta -0.107 Vega 0.072 Open interest 33 Model this call Put · $130 Last $0.58 Breakeven $129.42 Implied vol 88.9% Delta -0.054 ≈5% ITM Gamma 0.003 Theta -0.092 Vega 0.072 Open interest 9 Model this put
52	1	82%	0.937	$48.87		$1.20	-0.033	67.1%	30	34
Call · $135 In the money Last $48.87 Breakeven $183.87 Implied vol 82% Delta 0.937 ≈94% ITM Gamma 0.003 Theta -0.096 Vega 0.074 Open interest 52 Model this call Put · $135 Last $1.20 Breakeven $133.80 Implied vol 67.1% Delta -0.033 ≈3% ITM Gamma 0.002 Theta -0.046 Vega 0.043 Open interest 34 Model this put
28	1	76.6%	0.925	$45.93		$0.10	-0.02	52%	1	55
Call · $140 In the money Last $45.93 Breakeven $185.93 Implied vol 76.6% Delta 0.925 ≈92% ITM Gamma 0.004 Theta -0.103 Vega 0.075 Open interest 28 Model this call Put · $140 Last $0.10 Breakeven $139.90 Implied vol 52% Delta -0.02 ≈2% ITM Gamma 0.002 Theta -0.023 Vega 0.022 Open interest 55 Model this put
60	1	70.6%	0.912	$41.01		$0.17	-0.033	51%	1	32
Call · $145 In the money Last $41.01 Breakeven $186.01 Implied vol 70.6% Delta 0.912 ≈91% ITM Gamma 0.005 Theta -0.107 Vega 0.077 Open interest 60 Model this call Put · $145 Last $0.17 Breakeven $144.83 Implied vol 51% Delta -0.033 ≈3% ITM Gamma 0.003 Theta -0.035 Vega 0.044 Open interest 32 Model this put
85	2	60.4%	0.911	$35.30		$0.27	-0.029	42.6%	2	213
Call · $150 In the money Last $35.30 Breakeven $185.30 Implied vol 60.4% Delta 0.911 ≈91% ITM Gamma 0.005 Theta -0.093 Vega 0.078 Open interest 85 Model this call Put · $150 Last $0.27 Breakeven $149.73 Implied vol 42.6% Delta -0.029 ≈3% ITM Gamma 0.003 Theta -0.027 Vega 0.045 Open interest 213 Model this put
37	2	56.2%	0.891	$31.07		$0.42	-0.046	39.9%	3	25
Call · $155 In the money Last $31.07 Breakeven $186.07 Implied vol 56.2% Delta 0.891 ≈89% ITM Gamma 0.007 Theta -0.102 Vega 0.079 Open interest 37 Model this call Put · $155 Last $0.42 Breakeven $154.58 Implied vol 39.9% Delta -0.046 ≈5% ITM Gamma 0.005 Theta -0.036 Vega 0.046 Open interest 25 Model this put
726	4	50.3%	0.869	$25.72		$0.38	-0.064	36.4%	2	35
Call · $160 In the money Last $25.72 Breakeven $185.72 Implied vol 50.3% Delta 0.869 ≈87% ITM Gamma 0.009 Theta -0.104 Vega 0.121 Open interest 726 Model this call Put · $160 Last $0.38 Breakeven $159.62 Implied vol 36.4% Delta -0.064 ≈6% ITM Gamma 0.007 Theta -0.043 Vega 0.08 Open interest 35 Model this put
78	1	45.1%	0.835	$20.90		$0.77	-0.094	32.6%	5	172
Call · $165 In the money Last $20.90 Breakeven $185.90 Implied vol 45.1% Delta 0.835 ≈83% ITM Gamma 0.011 Theta -0.109 Vega 0.123 Open interest 78 Model this call Put · $165 Last $0.77 Breakeven $164.23 Implied vol 32.6% Delta -0.094 ≈9% ITM Gamma 0.01 Theta -0.051 Vega 0.081 Open interest 172 Model this put
187	2	39.6%	0.795	$17.30		$1.40	-0.167	32.8%	9	365
Call · $170 In the money Last $17.30 Breakeven $187.30 Implied vol 39.6% Delta 0.795 ≈79% ITM Gamma 0.015 Theta -0.111 Vega 0.125 Open interest 187 Model this call Put · $170 Last $1.40 Breakeven $168.60 Implied vol 32.8% Delta -0.167 ≈17% ITM Gamma 0.015 Theta -0.076 Vega 0.124 Open interest 365 Model this put
317	69	38.4%	0.711	$13.30		$2.27	-0.245	30.1%	2	200
Call · $175 In the money Last $13.30 Breakeven $188.30 Implied vol 38.4% Delta 0.711 ≈71% ITM Gamma 0.018 Theta -0.128 Vega 0.166 Open interest 317 Model this call Put · $175 Last $2.27 Breakeven $172.73 Implied vol 30.1% Delta -0.245 ≈24% ITM Gamma 0.021 Theta -0.088 Vega 0.165 Open interest 200 Model this put
102	7	37.1%	0.614	$9.91		$3.70	-0.365	29.6%	4	21
Call · $180 In the money Last $9.91 Breakeven $189.91 Implied vol 37.1% Delta 0.614 ≈61% ITM Gamma 0.021 Theta -0.137 Vega 0.193 Open interest 102 Model this call Put · $180 Last $3.70 Breakeven $176.30 Implied vol 29.6% Delta -0.365 ≈36% ITM Gamma 0.026 Theta -0.103 Vega 0.192 Open interest 21 Model this put
498	42	33.6%	0.504	$6.43		$5.72	-0.504	26.8%	34	28
Call · $185 In the money Last $6.43 Breakeven $191.43 Implied vol 33.6% Delta 0.504 ≈50% ITM Gamma 0.024 Theta -0.131 Vega 0.196 Open interest 498 Model this call Put · $185 Last $5.72 Breakeven $179.28 Implied vol 26.8% Delta -0.504 ≈50% ITM Gamma 0.031 Theta -0.099 Vega 0.196 Open interest 28 Model this put
Underlying $185.45
48	9	34.2%	0.388	$3.80		$9.10	-0.648	26.9%	7	71
Call · $190 Last $3.80 Breakeven $193.80 Implied vol 34.2% Delta 0.388 ≈39% ITM Gamma 0.023 Theta -0.128 Vega 0.199 Open interest 48 Model this call Put · $190 In the money Last $9.10 Breakeven $180.90 Implied vol 26.9% Delta -0.648 ≈65% ITM Gamma 0.028 Theta -0.091 Vega 0.174 Open interest 71 Model this put
76	28	32.2%	0.272	$2.41		$13.50	-0.791	25%	4	0
Call · $195 Last $2.41 Breakeven $197.41 Implied vol 32.2% Delta 0.272 ≈27% ITM Gamma 0.021 Theta -0.103 Vega 0.177 Open interest 76 Model this call Put · $195 In the money Last $13.50 Breakeven $181.50 Implied vol 25% Delta -0.791 ≈79% ITM Gamma 0.024 Theta -0.063 Vega 0.135 Open interest 0 Model this put
91	5	31.3%	0.177	$1.41		$16.60	-0.956	18.6%	20	5
Call · $200 Last $1.41 Breakeven $201.41 Implied vol 31.3% Delta 0.177 ≈18% ITM Gamma 0.017 Theta -0.078 Vega 0.138 Open interest 91 Model this call Put · $200 In the money Last $16.60 Breakeven $183.40 Implied vol 18.6% Delta -0.956 ≈96% ITM Gamma 0.013 Theta -0.013 Vega 0.046 Open interest 5 Model this put
398	1	34.5%	0.085	$0.50		—	—	—	—	0
Call · $210 Last $0.50 Breakeven $210.50 Implied vol 34.5% Delta 0.085 ≈8% ITM Gamma 0.009 Theta -0.051 Vega 0.094 Open interest 398 Model this call Put · $210 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. 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. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 93751 CUSIP 857477103 13F (30d) 335 filings 333 filers Visit website Investor relations