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Contract OI history

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Oct 23, 2026 EXPIRATION

MOS $21.50 Call

MOS261023C00021500

Latest saved OI117Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $21.50 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. 117580 2026-10-02: 0 OI2026-10-05: 3 OI2026-10-06: 3 OI2026-10-07: 3 OI2026-10-08: 12 OI2026-10-09: 11 OI2026-10-13: 12 OI2026-10-14: 114 OI2026-10-15: 114 OI2026-10-16: 114 OI2026-10-21: 114 OI2026-10-23: 117 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, 2026117+3
Oct 21, 2026Viewing1140
Oct 16, 20261140
Oct 15, 20261140
Oct 14, 2026114+102
Oct 13, 202612+1
Oct 09, 202611-1
Oct 08, 202612+9
Oct 07, 202630
Oct 06, 202630
Oct 05, 20263+3
Oct 02, 20260No prior observation