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Contract OI history

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Jan 21, 2028 EXPIRATION

MOS $12.50 Put

MOS280121P00012500

Latest saved OI1,776Oct 23, 2026
Last change+414vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $12.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,7768880 2026-10-02: 909 OI2026-10-05: 909 OI2026-10-06: 910 OI2026-10-07: 910 OI2026-10-08: 910 OI2026-10-09: 921 OI2026-10-13: 922 OI2026-10-14: 1,002 OI2026-10-15: 1,003 OI2026-10-16: 1,005 OI2026-10-21: 1,362 OI2026-10-23: 1,776 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, 20261,776+414
Oct 21, 2026Viewing1,362+357
Oct 16, 20261,005+2
Oct 15, 20261,003+1
Oct 14, 20261,002+80
Oct 13, 2026922+1
Oct 09, 2026921+11
Oct 08, 20269100
Oct 07, 20269100
Oct 06, 2026910+1
Oct 05, 20269090
Oct 02, 2026909No prior observation