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Contract OI history

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Oct 23, 2026 EXPIRATION

DOW $25.50 Put

DOW261023P00025500

Latest saved OI148Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $25.50 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. 148740 2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 81 OI2026-10-14: 131 OI2026-10-15: 143 OI2026-10-16: 143 OI2026-10-21: 143 OI2026-10-23: 148 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, 2026Viewing148+5
Oct 21, 20261430
Oct 16, 20261430
Oct 15, 2026143+12
Oct 14, 2026131+50
Oct 13, 202681+81
Oct 09, 202600
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 20260No prior observation