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Contract OI history

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Dec 18, 2026 EXPIRATION

MOS $17.50 Call

MOS261218C00017500

Latest saved OI152Oct 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
MOS $17.50 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. 157780 2026-10-02: 41 OI2026-10-05: 41 OI2026-10-06: 41 OI2026-10-07: 41 OI2026-10-08: 43 OI2026-10-09: 44 OI2026-10-13: 94 OI2026-10-14: 124 OI2026-10-15: 124 OI2026-10-16: 114 OI2026-10-21: 157 OI2026-10-23: 152 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, 2026152-5
Oct 21, 2026Viewing157+43
Oct 16, 2026114-10
Oct 15, 20261240
Oct 14, 2026124+30
Oct 13, 202694+50
Oct 09, 202644+1
Oct 08, 202643+2
Oct 07, 2026410
Oct 06, 2026410
Oct 05, 2026410
Oct 02, 202641No prior observation