OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

DOW $15.00 Put

DOW280121P00015000

Latest saved OI4,181Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $15.00 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. 4,2182,1090 2026-10-02: 4,197 OI2026-10-05: 4,197 OI2026-10-06: 4,197 OI2026-10-07: 4,198 OI2026-10-08: 4,198 OI2026-10-09: 4,198 OI2026-10-13: 4,198 OI2026-10-14: 4,198 OI2026-10-15: 4,218 OI2026-10-16: 4,212 OI2026-10-21: 4,188 OI2026-10-23: 4,181 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, 2026Viewing4,181-7
Oct 21, 20264,188-24
Oct 16, 20264,212-6
Oct 15, 20264,218+20
Oct 14, 20264,1980
Oct 13, 20264,1980
Oct 09, 20264,1980
Oct 08, 20264,1980
Oct 07, 20264,198+1
Oct 06, 20264,1970
Oct 05, 20264,1970
Oct 02, 20264,197No prior observation