OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

DOC $20.00 Put

DOC280121P00020000

Latest saved OI70Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOC $20.00 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. 70350 2026-10-02: 59 OI2026-10-05: 59 OI2026-10-06: 59 OI2026-10-07: 59 OI2026-10-08: 60 OI2026-10-09: 60 OI2026-10-13: 64 OI2026-10-14: 64 OI2026-10-15: 64 OI2026-10-16: 64 OI2026-10-21: 64 OI2026-10-23: 70 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, 2026Viewing70+6
Oct 21, 2026640
Oct 16, 2026640
Oct 15, 2026640
Oct 14, 2026640
Oct 13, 202664+4
Oct 09, 2026600
Oct 08, 202660+1
Oct 07, 2026590
Oct 06, 2026590
Oct 05, 2026590
Oct 02, 202659No prior observation