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Contract OI history

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Dec 18, 2026 EXPIRATION

MS $195.00 Put

MS261218P00195000

Latest saved OI1,704Oct 23, 2026
Last change+22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $195.00 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. 1,7048520 2026-10-02: 1,625 OI2026-10-05: 1,633 OI2026-10-06: 1,660 OI2026-10-07: 1,674 OI2026-10-08: 1,674 OI2026-10-09: 1,682 OI2026-10-13: 1,683 OI2026-10-14: 1,683 OI2026-10-15: 1,683 OI2026-10-16: 1,683 OI2026-10-21: 1,682 OI2026-10-23: 1,704 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,704+22
Oct 21, 20261,682-1
Oct 16, 20261,6830
Oct 15, 20261,6830
Oct 14, 20261,6830
Oct 13, 20261,683+1
Oct 09, 20261,682+8
Oct 08, 20261,6740
Oct 07, 20261,674+14
Oct 06, 20261,660+27
Oct 05, 20261,633+8
Oct 02, 20261,625No prior observation