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Contract OI history

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Mar 19, 2027 EXPIRATION

DOW $27.50 Put

DOW270319P00027500

Latest saved OI1,745Oct 23, 2026
Last change-129vs 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. 1,8749370 2026-10-02: 856 OI2026-10-05: 852 OI2026-10-06: 852 OI2026-10-07: 872 OI2026-10-08: 872 OI2026-10-09: 872 OI2026-10-13: 1,873 OI2026-10-14: 1,873 OI2026-10-15: 1,874 OI2026-10-16: 1,874 OI2026-10-21: 1,874 OI2026-10-23: 1,745 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, 2026Viewing1,745-129
Oct 21, 20261,8740
Oct 16, 20261,8740
Oct 15, 20261,874+1
Oct 14, 20261,8730
Oct 13, 20261,873+1,001
Oct 09, 20268720
Oct 08, 20268720
Oct 07, 2026872+20
Oct 06, 20268520
Oct 05, 2026852-4
Oct 02, 2026856No prior observation