OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

DOW $20.00 Put

DOW270115P00020000

Latest saved OI6,153Oct 23, 2026
Last change-537vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $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. 6,7633,3810 2026-10-02: 6,762 OI2026-10-05: 6,763 OI2026-10-06: 6,763 OI2026-10-07: 6,763 OI2026-10-08: 6,763 OI2026-10-09: 6,763 OI2026-10-13: 6,756 OI2026-10-14: 6,756 OI2026-10-15: 6,691 OI2026-10-16: 6,690 OI2026-10-21: 6,690 OI2026-10-23: 6,153 OI Oct 02, 2026Oct 23, 2026

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

DOW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,153-537
Oct 21, 20266,6900
Oct 16, 20266,690-1
Oct 15, 20266,691-65
Oct 14, 20266,7560
Oct 13, 20266,756-7
Oct 09, 20266,7630
Oct 08, 20266,7630
Oct 07, 20266,7630
Oct 06, 20266,7630
Oct 05, 20266,763+1
Oct 02, 20266,762No prior observation