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Contract OI history

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Oct 30, 2026 EXPIRATION

MS $187.50 Call

MS261030C00187500

Latest saved OI443Oct 23, 2026
Last change+157vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $187.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4432210 2026-10-09: 0 OI2026-10-13: 18 OI2026-10-14: 18 OI2026-10-15: 56 OI2026-10-16: 55 OI2026-10-21: 286 OI2026-10-23: 443 OI Oct 09, 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, 2026Viewing443+157
Oct 21, 2026286+231
Oct 16, 202655-1
Oct 15, 202656+38
Oct 14, 2026180
Oct 13, 202618+18
Oct 09, 20260No prior observation