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Contract OI history

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Oct 23, 2026 EXPIRATION

DOW $27.50 Put

DOW261023P00027500

Latest saved OI52Oct 23, 2026
Last change+12vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $27.50 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. 52260 2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 12 OI2026-10-13: 33 OI2026-10-14: 34 OI2026-10-15: 34 OI2026-10-16: 29 OI2026-10-21: 40 OI2026-10-23: 52 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, 2026Viewing52+12
Oct 21, 202640+11
Oct 16, 202629-5
Oct 15, 2026340
Oct 14, 202634+1
Oct 13, 202633+21
Oct 09, 202612+10
Oct 08, 202620
Oct 07, 20262+2
Oct 06, 202600
Oct 05, 20260No prior observation