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Contract OI history

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Sep 17, 2027 EXPIRATION

DOW $27.50 Put

DOW270917P00027500

Latest saved OI336Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $27.50 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. 3361680 2026-10-02: 288 OI2026-10-05: 302 OI2026-10-06: 302 OI2026-10-07: 314 OI2026-10-08: 314 OI2026-10-09: 320 OI2026-10-13: 325 OI2026-10-14: 325 OI2026-10-15: 328 OI2026-10-16: 328 OI2026-10-21: 333 OI2026-10-23: 336 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, 2026Viewing336+3
Oct 21, 2026333+5
Oct 16, 20263280
Oct 15, 2026328+3
Oct 14, 20263250
Oct 13, 2026325+5
Oct 09, 2026320+6
Oct 08, 20263140
Oct 07, 2026314+12
Oct 06, 20263020
Oct 05, 2026302+14
Oct 02, 2026288No prior observation