Digital Realty Trust, Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Digital Realty Trust, Inc. at $186.33: open interest within 90 days was 4,752 call and 16,534 put contracts, a put/call ratio of 3.48; the day's volume was 1,540 calls and 370 puts (0.24). The most call open interest sits at the $200.00 strike (1,058 contracts) and the most put open interest at $160.00 (11,623). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 2.8% of spot. For 16 October 2026, implied volatility was 26.0% at the put 5% below spot and 30.2% at the call 5% above, -4.2 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $200.00 | 1,058 |
| Puts | $160.00 | 11,623 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 20 November 2026 call at $200.00 | 268 | 66 | $127,300 |
| 2 October 2026 call at $195.00 | 204 | 3 | $32,640 |
Volume of at least 200 contracts and at least twice the open interest, with at least $25,000 of premium at the mid; contracts expiring the same day are left out. Premium is mid price times volume times 100.
Source
CBOE delayed quotes for DLR, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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