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Contract OI history

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Dec 18, 2026 EXPIRATION

MS $185.00 Call

MS261218C00185000

Latest saved OI373Oct 23, 2026
Last change+71vs 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. 3731860 2026-10-02: 113 OI2026-10-05: 113 OI2026-10-06: 115 OI2026-10-07: 124 OI2026-10-08: 124 OI2026-10-09: 127 OI2026-10-13: 131 OI2026-10-14: 131 OI2026-10-15: 234 OI2026-10-16: 246 OI2026-10-21: 302 OI2026-10-23: 373 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, 2026Viewing373+71
Oct 21, 2026302+56
Oct 16, 2026246+12
Oct 15, 2026234+103
Oct 14, 20261310
Oct 13, 2026131+4
Oct 09, 2026127+3
Oct 08, 20261240
Oct 07, 2026124+9
Oct 06, 2026115+2
Oct 05, 20261130
Oct 02, 2026113No prior observation