OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

DOC $17.50 Put

DOC270115P00017500

Latest saved OI339Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOC $17.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3391690 2026-10-02: 292 OI2026-10-05: 291 OI2026-10-06: 291 OI2026-10-07: 296 OI2026-10-08: 296 OI2026-10-09: 301 OI2026-10-13: 307 OI2026-10-14: 307 OI2026-10-15: 307 OI2026-10-16: 327 OI2026-10-21: 339 OI2026-10-23: 339 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

DOC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3390
Oct 21, 2026339+12
Oct 16, 2026327+20
Oct 15, 20263070
Oct 14, 20263070
Oct 13, 2026307+6
Oct 09, 2026301+5
Oct 08, 20262960
Oct 07, 2026296+5
Oct 06, 20262910
Oct 05, 2026291-1
Oct 02, 2026292No prior observation