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Contract OI history

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Nov 20, 2026 EXPIRATION

MSM $115.00 Put

MSM261120P00115000

Latest saved OI1,052Oct 23, 2026
Last change+51vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MSM $115.00 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. 1,0525260 2026-10-02: 1,001 OI2026-10-05: 1,001 OI2026-10-06: 1,001 OI2026-10-07: 1,001 OI2026-10-08: 1,001 OI2026-10-09: 1,001 OI2026-10-13: 1,001 OI2026-10-14: 1,001 OI2026-10-15: 1,001 OI2026-10-16: 1,001 OI2026-10-21: 1,001 OI2026-10-23: 1,052 OI Oct 02, 2026Oct 23, 2026

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

MSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,052+51
Oct 21, 20261,0010
Oct 16, 20261,0010
Oct 15, 20261,0010
Oct 14, 20261,0010
Oct 13, 20261,0010
Oct 09, 20261,0010
Oct 08, 20261,0010
Oct 07, 20261,0010
Oct 06, 20261,0010
Oct 05, 20261,0010
Oct 02, 20261,001No prior observation