DLR · Digital Realty Trust, Inc.

Track DLR — free Ask ALVIS about DLR

$198.98 +19.64 (+10.95%) At close · Jul 24

Market Cap

$69.96B

351.41M

Options Chain

15-min delayed Underlying $198.98 · today Options Calculator

Positioning

Jul 31, 2026 · 5 days to expiry · 104 contracts

Put / call OI

2.88

Put-heavy positioning

Open interest

2,962

contracts outstanding

Volume

1,749

traded today

Max pain

$175.00

$23.98 below spot

ATM implied vol

37.5%

market's expected move

Open interest by strike · near the money

Calls Puts

100

105

110

115

120

125

130

135

140

143

144

145

146

147

148

149

150

152.5

155

157.5

160

162.5

165

167.5

170

172.5

175

177.5

180

182.5

185

187.5

190

192.5

195

197.5

200

202.5

205

210

215

220

225

230

235

240

245

250

255

260

265

270

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Jul 31 5d Aug 7 12d Aug 14 19d Aug 21 26d Aug 28 33d Sep 4 40d Sep 18 54d Oct 16 82d Dec 18 145d Jan 15 173d Mar 19 236d Jun 17 326d Jan 21 544d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		—	—	—	—	0
Call · $100 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $100 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $105 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $105 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $110 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $110 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	-0.018	234.4%	—	0
Call · $115 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $115 Last — Breakeven — Implied vol 234.4% Delta -0.018 ≈2% ITM Gamma 0.001 Theta -0.229 Vega 0.01 Open interest 0 Model this put
0	—	—	—	—		—	-0.019	219.1%	—	0
Call · $120 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $120 Last — Breakeven — Implied vol 219.1% Delta -0.019 ≈2% ITM Gamma 0.001 Theta -0.227 Vega 0.01 Open interest 0 Model this put
0	—	—	—	—		—	-0.02	204.4%	—	0
Call · $125 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $125 Last — Breakeven — Implied vol 204.4% Delta -0.02 ≈2% ITM Gamma 0.001 Theta -0.225 Vega 0.01 Open interest 0 Model this put
0	—	—	—	—		$0.05	-0.022	190.3%	4	0
Call · $130 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $130 Last $0.05 Breakeven $129.95 Implied vol 190.3% Delta -0.022 ≈2% ITM Gamma 0.001 Theta -0.223 Vega 0.01 Open interest 0 Model this put
0	—	—	—	—		—	-0.023	176.8%	—	0
Call · $135 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $135 Last — Breakeven — Implied vol 176.8% Delta -0.023 ≈2% ITM Gamma 0.001 Theta -0.221 Vega 0.01 Open interest 0 Model this put
0	—	—	—	—		—	-0.025	162.7%	—	0
Call · $140 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $140 Last — Breakeven — Implied vol 162.7% Delta -0.025 ≈3% ITM Gamma 0.001 Theta -0.217 Vega 0.021 Open interest 0 Model this put
0	—	—	—	—		—	-0.027	154.3%	—	0
Call · $143 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $143 Last — Breakeven — Implied vol 154.3% Delta -0.027 ≈3% ITM Gamma 0.002 Theta -0.213 Vega 0.021 Open interest 0 Model this put
0	—	—	—	—		—	-0.027	151.5%	—	0
Call · $144 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $144 Last — Breakeven — Implied vol 151.5% Delta -0.027 ≈3% ITM Gamma 0.002 Theta -0.212 Vega 0.021 Open interest 0 Model this put
0	—	—	—	—		—	-0.027	148.7%	—	0
Call · $145 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $145 Last — Breakeven — Implied vol 148.7% Delta -0.027 ≈3% ITM Gamma 0.002 Theta -0.211 Vega 0.022 Open interest 0 Model this put
0	1	—	—	$46.40		—	-0.028	146%	—	0
Call · $146 In the money Last $46.40 Breakeven $192.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $146 Last — Breakeven — Implied vol 146% Delta -0.028 ≈3% ITM Gamma 0.002 Theta -0.21 Vega 0.022 Open interest 0 Model this put
0	—	—	—	—		—	-0.028	143.3%	—	0
Call · $147 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $147 Last — Breakeven — Implied vol 143.3% Delta -0.028 ≈3% ITM Gamma 0.002 Theta -0.209 Vega 0.022 Open interest 0 Model this put
0	—	—	—	—		—	-0.029	140.6%	—	0
Call · $148 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $148 Last — Breakeven — Implied vol 140.6% Delta -0.029 ≈3% ITM Gamma 0.002 Theta -0.208 Vega 0.022 Open interest 0 Model this put
0	—	—	—	—		$0.05	-0.029	137.9%	2	0
Call · $149 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $149 Last $0.05 Breakeven $148.95 Implied vol 137.9% Delta -0.029 ≈3% ITM Gamma 0.002 Theta -0.206 Vega 0.022 Open interest 0 Model this put
1	1	—	—	$25.77		$0.75	-0.03	135.2%	1	1
Call · $150 In the money Last $25.77 Breakeven $175.77 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $150 Last $0.75 Breakeven $149.25 Implied vol 135.2% Delta -0.03 ≈3% ITM Gamma 0.002 Theta -0.205 Vega 0.022 Open interest 1 Model this put
0	—	—	—	—		—	-0.034	130.9%	—	0
Call · $152.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $152.5 Last — Breakeven — Implied vol 130.9% Delta -0.034 ≈3% ITM Gamma 0.002 Theta -0.219 Vega 0.022 Open interest 0 Model this put
0	—	—	—	—		$0.85	-0.045	133.3%	7	7
Call · $155 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $155 Last $0.85 Breakeven $154.15 Implied vol 133.3% Delta -0.045 ≈5% ITM Gamma 0.003 Theta -0.283 Vega 0.022 Open interest 7 Model this put
0	—	—	—	—		$1.17	-0.066	142.8%	1	1
Call · $157.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $157.5 Last $1.17 Breakeven $156.33 Implied vol 142.8% Delta -0.066 ≈7% ITM Gamma 0.004 Theta -0.411 Vega 0.039 Open interest 1 Model this put
5	12	—	—	$42.00		$0.08	-0.061	130.3%	5	6
Call · $160 In the money Last $42.00 Breakeven $202.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 Model this call Put · $160 Last $0.08 Breakeven $159.92 Implied vol 130.3% Delta -0.061 ≈6% ITM Gamma 0.004 Theta -0.355 Vega 0.039 Open interest 6 Model this put
0	—	—	—	—		$1.25	-0.086	137.5%	5	5
Call · $162.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $162.5 Last $1.25 Breakeven $161.25 Implied vol 137.5% Delta -0.086 ≈9% ITM Gamma 0.005 Theta -0.484 Vega 0.039 Open interest 5 Model this put
0	—	—	—	—		$0.28	-0.086	127.1%	1	102
Call · $165 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $165 Last $0.28 Breakeven $164.72 Implied vol 127.1% Delta -0.086 ≈9% ITM Gamma 0.005 Theta -0.447 Vega 0.04 Open interest 102 Model this put
0	—	—	—	—		$2.09	-0.108	132.4%	17	27
Call · $167.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $167.5 Last $2.09 Breakeven $165.41 Implied vol 132.4% Delta -0.108 ≈11% ITM Gamma 0.006 Theta -0.558 Vega 0.04 Open interest 27 Model this put
6	2	—	—	$34.70		$0.10	-0.033	78.9%	14	619
Call · $170 In the money Last $34.70 Breakeven $204.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this call Put · $170 Last $0.10 Breakeven $169.90 Implied vol 78.9% Delta -0.033 ≈3% ITM Gamma 0.004 Theta -0.131 Vega 0.023 Open interest 619 Model this put
11	1	—	—	$9.10		$0.38	-0.052	81.6%	3	1.4k
Call · $172.5 In the money Last $9.10 Breakeven $181.60 Implied vol — Delta — Gamma — Theta — Vega — Open interest 11 Model this call Put · $172.5 Last $0.38 Breakeven $172.12 Implied vol 81.6% Delta -0.052 ≈5% ITM Gamma 0.005 Theta -0.195 Vega 0.024 Open interest 1.4k Model this put
11	2	—	—	$30.02		$0.15	-0.025	61.1%	30	29
Call · $175 In the money Last $30.02 Breakeven $205.02 Implied vol — Delta — Gamma — Theta — Vega — Open interest 11 Model this call Put · $175 Last $0.15 Breakeven $174.85 Implied vol 61.1% Delta -0.025 ≈2% ITM Gamma 0.004 Theta -0.08 Vega 0.012 Open interest 29 Model this put
20	15	—	—	$26.31		$0.42	-0.068	73.1%	6	5
Call · $177.5 In the money Last $26.31 Breakeven $203.81 Implied vol — Delta — Gamma — Theta — Vega — Open interest 20 Model this call Put · $177.5 Last $0.42 Breakeven $177.08 Implied vol 73.1% Delta -0.068 ≈7% ITM Gamma 0.007 Theta -0.216 Vega 0.041 Open interest 5 Model this put
24	29	—	—	$22.50		$0.20	-0.067	64.8%	6	13
Call · $180 In the money Last $22.50 Breakeven $202.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 24 Model this call Put · $180 Last $0.20 Breakeven $179.80 Implied vol 64.8% Delta -0.067 ≈7% ITM Gamma 0.008 Theta -0.19 Vega 0.042 Open interest 13 Model this put
53	13	—	—	$21.20		$0.26	-0.066	56.6%	14	4
Call · $182.5 In the money Last $21.20 Breakeven $203.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 53 Model this call Put · $182.5 Last $0.26 Breakeven $182.24 Implied vol 56.6% Delta -0.066 ≈7% ITM Gamma 0.009 Theta -0.164 Vega 0.042 Open interest 4 Model this put
131	101	—	—	$17.12		$0.47	-0.146	70.5%	6	0
Call · $185 In the money Last $17.12 Breakeven $202.12 Implied vol — Delta — Gamma — Theta — Vega — Open interest 131 Model this call Put · $185 Last $0.47 Breakeven $184.53 Implied vol 70.5% Delta -0.146 ≈15% ITM Gamma 0.013 Theta -0.361 Vega 0.063 Open interest 0 Model this put
103	3	—	—	$17.04		$0.80	-0.125	54.7%	6	0
Call · $187.5 In the money Last $17.04 Breakeven $204.54 Implied vol — Delta — Gamma — Theta — Vega — Open interest 103 Model this call Put · $187.5 Last $0.80 Breakeven $186.70 Implied vol 54.7% Delta -0.125 ≈12% ITM Gamma 0.015 Theta -0.255 Vega 0.044 Open interest 0 Model this put
83	6	—	—	$14.67		$0.90	-0.15	49.3%	118	1
Call · $190 In the money Last $14.67 Breakeven $204.67 Implied vol — Delta — Gamma — Theta — Vega — Open interest 83 Model this call Put · $190 Last $0.90 Breakeven $189.10 Implied vol 49.3% Delta -0.15 ≈15% ITM Gamma 0.019 Theta -0.257 Vega 0.064 Open interest 1 Model this put
121	70	—	—	$13.04		$1.35	-0.213	51.7%	11	1
Call · $192.5 In the money Last $13.04 Breakeven $205.54 Implied vol — Delta — Gamma — Theta — Vega — Open interest 121 Model this call Put · $192.5 Last $1.35 Breakeven $191.15 Implied vol 51.7% Delta -0.213 ≈21% ITM Gamma 0.023 Theta -0.341 Vega 0.065 Open interest 1 Model this put
90	92	—	—	$12.69		$2.28	-0.277	50.8%	44	0
Call · $195 In the money Last $12.69 Breakeven $207.69 Implied vol — Delta — Gamma — Theta — Vega — Open interest 90 Model this call Put · $195 Last $2.28 Breakeven $192.72 Implied vol 50.8% Delta -0.277 ≈28% ITM Gamma 0.026 Theta -0.38 Vega 0.085 Open interest 0 Model this put
0	17	11%	0.953	$8.40		$2.38	-0.349	52.2%	26	0
Call · $197.5 In the money Last $8.40 Breakeven $205.90 Implied vol 11% Delta 0.953 ≈95% ITM Gamma 0.035 Theta -0.03 Vega 0.025 Open interest 0 Model this call Put · $197.5 Last $2.38 Breakeven $195.12 Implied vol 52.2% Delta -0.349 ≈35% ITM Gamma 0.029 Theta -0.437 Vega 0.098 Open interest 0 Model this put
Underlying $198.98
14	41	21.5%	0.655	$3.40		$4.30	-0.426	53.5%	77	7
Call · $200 Last $3.40 Breakeven $203.40 Implied vol 21.5% Delta 0.655 ≈66% ITM Gamma 0.07 Theta -0.184 Vega 0.086 Open interest 14 Model this call Put · $200 In the money Last $4.30 Breakeven $195.70 Implied vol 53.5% Delta -0.426 ≈43% ITM Gamma 0.03 Theta -0.468 Vega 0.099 Open interest 7 Model this put
0	36	25.3%	0.478	$2.40		$5.30	-0.499	55.3%	210	0
Call · $202.5 Last $2.40 Breakeven $204.90 Implied vol 25.3% Delta 0.478 ≈48% ITM Gamma 0.064 Theta -0.231 Vega 0.099 Open interest 0 Model this call Put · $202.5 In the money Last $5.30 Breakeven $197.20 Implied vol 55.3% Delta -0.499 ≈50% ITM Gamma 0.029 Theta -0.497 Vega 0.099 Open interest 0 Model this put
19	75	28.4%	0.346	$2.00		$6.89	-0.558	63.2%	22	1
Call · $205 Last $2.00 Breakeven $207.00 Implied vol 28.4% Delta 0.346 ≈35% ITM Gamma 0.053 Theta -0.24 Vega 0.088 Open interest 19 Model this call Put · $205 In the money Last $6.89 Breakeven $198.11 Implied vol 63.2% Delta -0.558 ≈56% ITM Gamma 0.025 Theta -0.556 Vega 0.1 Open interest 1 Model this put
6	296	31.2%	0.163	$0.77		$9.20	-0.666	66.3%	33	0
Call · $210 Last $0.77 Breakeven $210.77 Implied vol 31.2% Delta 0.163 ≈16% ITM Gamma 0.032 Theta -0.174 Vega 0.068 Open interest 6 Model this call Put · $210 In the money Last $9.20 Breakeven $200.80 Implied vol 66.3% Delta -0.666 ≈67% ITM Gamma 0.022 Theta -0.539 Vega 0.089 Open interest 0 Model this put
33	186	37.2%	0.092	$0.55		$11.70	-0.728	76.9%	2	0
Call · $215 Last $0.55 Breakeven $215.55 Implied vol 37.2% Delta 0.092 ≈9% ITM Gamma 0.018 Theta -0.138 Vega 0.046 Open interest 33 Model this call Put · $215 In the money Last $11.70 Breakeven $203.30 Implied vol 76.9% Delta -0.728 ≈73% ITM Gamma 0.017 Theta -0.57 Vega 0.09 Open interest 0 Model this put
2	14	50.3%	0.09	$0.14		$18.20	-0.768	88%	44	0
Call · $220 Last $0.14 Breakeven $220.14 Implied vol 50.3% Delta 0.09 ≈9% ITM Gamma 0.013 Theta -0.184 Vega 0.046 Open interest 2 Model this call Put · $220 In the money Last $18.20 Breakeven $201.80 Implied vol 88% Delta -0.768 ≈77% ITM Gamma 0.014 Theta -0.602 Vega 0.069 Open interest 0 Model this put
0	—	63.2%	0.09	—		—	-0.792	99.2%	—	0
Call · $225 Last — Breakeven — Implied vol 63.2% Delta 0.09 ≈9% ITM Gamma 0.01 Theta -0.23 Vega 0.047 Open interest 0 Model this call Put · $225 In the money Last — Breakeven — Implied vol 99.2% Delta -0.792 ≈79% ITM Gamma 0.012 Theta -0.632 Vega 0.07 Open interest 0 Model this put
30	3	66%	0.06	$0.20		—	-0.808	110.9%	—	0
Call · $230 Last $0.20 Breakeven $230.20 Implied vol 66% Delta 0.06 ≈6% ITM Gamma 0.007 Theta -0.177 Vega 0.027 Open interest 30 Model this call Put · $230 In the money Last — Breakeven — Implied vol 110.9% Delta -0.808 ≈81% ITM Gamma 0.01 Theta -0.67 Vega 0.071 Open interest 0 Model this put
0	—	74.2%	0.055	—		—	-0.82	123.1%	—	0
Call · $235 Last — Breakeven — Implied vol 74.2% Delta 0.055 ≈5% ITM Gamma 0.006 Theta -0.183 Vega 0.028 Open interest 0 Model this call Put · $235 In the money Last — Breakeven — Implied vol 123.1% Delta -0.82 ≈82% ITM Gamma 0.009 Theta -0.717 Vega 0.071 Open interest 0 Model this put
0	—	—	—	—		—	-0.838	131.5%	—	0
Call · $240 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $240 In the money Last — Breakeven — Implied vol 131.5% Delta -0.838 ≈84% ITM Gamma 0.008 Theta -0.722 Vega 0.072 Open interest 0 Model this put
0	—	—	—	—		—	-0.84	145.3%	—	0
Call · $245 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $245 In the money Last — Breakeven — Implied vol 145.3% Delta -0.84 ≈84% ITM Gamma 0.007 Theta -0.792 Vega 0.073 Open interest 0 Model this put
0	—	—	—	—		$46.50	-0.847	155.6%	18	0
Call · $250 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $250 In the money Last $46.50 Breakeven $203.50 Implied vol 155.6% Delta -0.847 ≈85% ITM Gamma 0.006 Theta -0.826 Vega 0.049 Open interest 0 Model this put
0	—	—	—	—		—	-0.854	164.2%	—	0
Call · $255 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $255 In the money Last — Breakeven — Implied vol 164.2% Delta -0.854 ≈85% ITM Gamma 0.006 Theta -0.842 Vega 0.049 Open interest 0 Model this put
0	—	—	—	—		—	-0.861	171.6%	—	0
Call · $260 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $260 In the money Last — Breakeven — Implied vol 171.6% Delta -0.861 ≈86% ITM Gamma 0.005 Theta -0.846 Vega 0.05 Open interest 0 Model this put
0	—	—	—	—		—	-0.866	179.8%	—	0
Call · $265 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $265 In the money Last — Breakeven — Implied vol 179.8% Delta -0.866 ≈87% ITM Gamma 0.005 Theta -0.861 Vega 0.05 Open interest 0 Model this put
0	—	—	—	—		—	-0.871	187.9%	—	0
Call · $270 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $270 In the money Last — Breakeven — Implied vol 187.9% Delta -0.871 ≈87% ITM Gamma 0.005 Theta -0.877 Vega 0.051 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. The 25 strikes around the money are shown by default — switch to "All 52" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1297996 CUSIP 253868103 13F (30d) 341 filings 333 filers Visit website Investor relations