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Contract OI history

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Jan 19, 2029 EXPIRATION

MS $200.00 Put

MS290119P00200000

Latest saved OI161Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $200.00 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. 161800 2026-10-02: 145 OI2026-10-05: 145 OI2026-10-06: 146 OI2026-10-07: 146 OI2026-10-08: 146 OI2026-10-09: 148 OI2026-10-13: 148 OI2026-10-14: 148 OI2026-10-15: 148 OI2026-10-16: 152 OI2026-10-21: 155 OI2026-10-23: 161 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, 2026Viewing161+6
Oct 21, 2026155+3
Oct 16, 2026152+4
Oct 15, 20261480
Oct 14, 20261480
Oct 13, 20261480
Oct 09, 2026148+2
Oct 08, 20261460
Oct 07, 20261460
Oct 06, 2026146+1
Oct 05, 20261450
Oct 02, 2026145No prior observation