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Contract OI history

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Mar 19, 2027 EXPIRATION

MS $185.00 Call

MS270319C00185000

Latest saved OI577Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $185.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5772880 2026-10-02: 491 OI2026-10-05: 491 OI2026-10-06: 491 OI2026-10-07: 491 OI2026-10-08: 491 OI2026-10-09: 490 OI2026-10-13: 512 OI2026-10-14: 512 OI2026-10-15: 522 OI2026-10-16: 556 OI2026-10-21: 572 OI2026-10-23: 577 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, 2026Viewing577+5
Oct 21, 2026572+16
Oct 16, 2026556+34
Oct 15, 2026522+10
Oct 14, 20265120
Oct 13, 2026512+22
Oct 09, 2026490-1
Oct 08, 20264910
Oct 07, 20264910
Oct 06, 20264910
Oct 05, 20264910
Oct 02, 2026491No prior observation