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Contract OI history

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Dec 18, 2026 EXPIRATION

MS $200.00 Put

MS261218P00200000

Latest saved OI2,376Oct 23, 2026
Last change0vs 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. 2,4661,2330 2026-10-02: 2,466 OI2026-10-05: 2,419 OI2026-10-06: 2,415 OI2026-10-07: 2,381 OI2026-10-08: 2,381 OI2026-10-09: 2,384 OI2026-10-13: 2,387 OI2026-10-14: 2,387 OI2026-10-15: 2,398 OI2026-10-16: 2,398 OI2026-10-21: 2,376 OI2026-10-23: 2,376 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, 2026Viewing2,3760
Oct 21, 20262,376-22
Oct 16, 20262,3980
Oct 15, 20262,398+11
Oct 14, 20262,3870
Oct 13, 20262,387+3
Oct 09, 20262,384+3
Oct 08, 20262,3810
Oct 07, 20262,381-34
Oct 06, 20262,415-4
Oct 05, 20262,419-47
Oct 02, 20262,466No prior observation