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Contract OI history

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Mar 19, 2027 EXPIRATION

MS $185.00 Put

MS270319P00185000

Latest saved OI848Oct 23, 2026
Last change+1vs 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. 8484240 2026-10-02: 765 OI2026-10-05: 794 OI2026-10-06: 815 OI2026-10-07: 815 OI2026-10-08: 815 OI2026-10-09: 816 OI2026-10-13: 829 OI2026-10-14: 829 OI2026-10-15: 832 OI2026-10-16: 834 OI2026-10-21: 847 OI2026-10-23: 848 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, 2026Viewing848+1
Oct 21, 2026847+13
Oct 16, 2026834+2
Oct 15, 2026832+3
Oct 14, 20268290
Oct 13, 2026829+13
Oct 09, 2026816+1
Oct 08, 20268150
Oct 07, 20268150
Oct 06, 2026815+21
Oct 05, 2026794+29
Oct 02, 2026765No prior observation