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Contract OI history

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Oct 23, 2026 EXPIRATION

DOW $28.50 Put

DOW261023P00028500

Latest saved OI468Oct 23, 2026
Last change+19vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $28.50 put open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 4682340 2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 268 OI2026-10-14: 326 OI2026-10-15: 272 OI2026-10-16: 379 OI2026-10-21: 449 OI2026-10-23: 468 OI Oct 05, 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, 2026Viewing468+19
Oct 21, 2026449+70
Oct 16, 2026379+107
Oct 15, 2026272-54
Oct 14, 2026326+58
Oct 13, 2026268+267
Oct 09, 202610
Oct 08, 202610
Oct 07, 20261+1
Oct 06, 202600
Oct 05, 20260No prior observation