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Contract OI history

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Jan 19, 2029 EXPIRATION

DOW $27.50 Put

DOW290119P00027500

Latest saved OI1,329Oct 23, 2026
Last change0vs 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. 1,3296640 2026-10-02: 796 OI2026-10-05: 1,297 OI2026-10-06: 1,297 OI2026-10-07: 1,297 OI2026-10-08: 1,297 OI2026-10-09: 1,298 OI2026-10-13: 1,299 OI2026-10-14: 1,299 OI2026-10-15: 1,329 OI2026-10-16: 1,329 OI2026-10-21: 1,329 OI2026-10-23: 1,329 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, 2026Viewing1,3290
Oct 21, 20261,3290
Oct 16, 20261,3290
Oct 15, 20261,329+30
Oct 14, 20261,2990
Oct 13, 20261,299+1
Oct 09, 20261,298+1
Oct 08, 20261,2970
Oct 07, 20261,2970
Oct 06, 20261,2970
Oct 05, 20261,297+501
Oct 02, 2026796No prior observation