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Contract OI history

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Oct 30, 2026 EXPIRATION

MS $185.00 Put

MS261030P00185000

Latest saved OI743Oct 23, 2026
Last change+42vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $185.00 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. 7433710 2026-10-02: 434 OI2026-10-05: 444 OI2026-10-06: 466 OI2026-10-07: 486 OI2026-10-08: 486 OI2026-10-09: 529 OI2026-10-13: 670 OI2026-10-14: 670 OI2026-10-15: 700 OI2026-10-16: 701 OI2026-10-21: 701 OI2026-10-23: 743 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, 2026Viewing743+42
Oct 21, 20267010
Oct 16, 2026701+1
Oct 15, 2026700+30
Oct 14, 20266700
Oct 13, 2026670+141
Oct 09, 2026529+43
Oct 08, 20264860
Oct 07, 2026486+20
Oct 06, 2026466+22
Oct 05, 2026444+10
Oct 02, 2026434No prior observation