OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

DOW $30.00 Put

DOW270115P00030000

Latest saved OI7,753Oct 23, 2026
Last change-45vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $30.00 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. 7,9323,9660 2026-10-02: 7,931 OI2026-10-05: 7,916 OI2026-10-06: 7,916 OI2026-10-07: 7,925 OI2026-10-08: 7,925 OI2026-10-09: 7,930 OI2026-10-13: 7,932 OI2026-10-14: 7,932 OI2026-10-15: 7,927 OI2026-10-16: 7,928 OI2026-10-21: 7,798 OI2026-10-23: 7,753 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, 2026Viewing7,753-45
Oct 21, 20267,798-130
Oct 16, 20267,928+1
Oct 15, 20267,927-5
Oct 14, 20267,9320
Oct 13, 20267,932+2
Oct 09, 20267,930+5
Oct 08, 20267,9250
Oct 07, 20267,925+9
Oct 06, 20267,9160
Oct 05, 20267,916-15
Oct 02, 20267,931No prior observation