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Contract OI history

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Dec 18, 2026 EXPIRATION

MOS $27.50 Call

MOS261218C00027500

Latest saved OI3,814Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $27.50 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. 3,9521,9760 2026-10-02: 3,824 OI2026-10-05: 3,844 OI2026-10-06: 3,868 OI2026-10-07: 3,868 OI2026-10-08: 3,868 OI2026-10-09: 3,952 OI2026-10-13: 3,948 OI2026-10-14: 3,833 OI2026-10-15: 3,831 OI2026-10-16: 3,830 OI2026-10-21: 3,814 OI2026-10-23: 3,814 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263,8140
Oct 21, 2026Viewing3,814-16
Oct 16, 20263,830-1
Oct 15, 20263,831-2
Oct 14, 20263,833-115
Oct 13, 20263,948-4
Oct 09, 20263,952+84
Oct 08, 20263,8680
Oct 07, 20263,8680
Oct 06, 20263,868+24
Oct 05, 20263,844+20
Oct 02, 20263,824No prior observation