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Contract OI history

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Jan 21, 2028 EXPIRATION

DOW $22.50 Put

DOW280121P00022500

Latest saved OI8,178Oct 23, 2026
Last change+5,008vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $22.50 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. 8,1784,0890 2026-10-02: 3,163 OI2026-10-05: 3,165 OI2026-10-06: 3,165 OI2026-10-07: 3,170 OI2026-10-08: 3,170 OI2026-10-09: 3,170 OI2026-10-13: 3,170 OI2026-10-14: 3,170 OI2026-10-15: 3,170 OI2026-10-16: 3,170 OI2026-10-21: 3,170 OI2026-10-23: 8,178 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, 2026Viewing8,178+5,008
Oct 21, 20263,1700
Oct 16, 20263,1700
Oct 15, 20263,1700
Oct 14, 20263,1700
Oct 13, 20263,1700
Oct 09, 20263,1700
Oct 08, 20263,1700
Oct 07, 20263,170+5
Oct 06, 20263,1650
Oct 05, 20263,165+2
Oct 02, 20263,163No prior observation