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Contract OI history

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Dec 18, 2026 EXPIRATION

DOW $22.50 Put

DOW261218P00022500

Latest saved OI3,104Oct 23, 2026
Last change+21vs 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. 3,1241,5620 2026-10-02: 2,476 OI2026-10-05: 2,486 OI2026-10-06: 2,486 OI2026-10-07: 3,114 OI2026-10-08: 3,114 OI2026-10-09: 3,117 OI2026-10-13: 3,110 OI2026-10-14: 3,111 OI2026-10-15: 3,124 OI2026-10-16: 3,112 OI2026-10-21: 3,083 OI2026-10-23: 3,104 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, 2026Viewing3,104+21
Oct 21, 20263,083-29
Oct 16, 20263,112-12
Oct 15, 20263,124+13
Oct 14, 20263,111+1
Oct 13, 20263,110-7
Oct 09, 20263,117+3
Oct 08, 20263,1140
Oct 07, 20263,114+628
Oct 06, 20262,4860
Oct 05, 20262,486+10
Oct 02, 20262,476No prior observation