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Contract OI history

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Dec 18, 2026 EXPIRATION

DOW $40.00 Put

DOW261218P00040000

Latest saved OI1,669Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $40.00 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. 1,6698340 2026-10-02: 1,669 OI2026-10-05: 1,669 OI2026-10-06: 1,669 OI2026-10-07: 1,669 OI2026-10-08: 1,669 OI2026-10-09: 1,669 OI2026-10-13: 1,669 OI2026-10-14: 1,669 OI2026-10-15: 1,669 OI2026-10-16: 1,669 OI2026-10-21: 1,669 OI2026-10-23: 1,669 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, 2026Viewing1,6690
Oct 21, 20261,6690
Oct 16, 20261,6690
Oct 15, 20261,6690
Oct 14, 20261,6690
Oct 13, 20261,6690
Oct 09, 20261,6690
Oct 08, 20261,6690
Oct 07, 20261,6690
Oct 06, 20261,6690
Oct 05, 20261,6690
Oct 02, 20261,669No prior observation