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Contract OI history

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Jan 21, 2028 EXPIRATION

MOS $17.50 Put

MOS280121P00017500

Latest saved OI4,115Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $17.50 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. 4,1152,0570 2026-10-02: 3,890 OI2026-10-05: 3,890 OI2026-10-06: 3,890 OI2026-10-07: 3,890 OI2026-10-08: 3,891 OI2026-10-09: 3,971 OI2026-10-13: 3,990 OI2026-10-14: 3,990 OI2026-10-15: 3,990 OI2026-10-16: 4,059 OI2026-10-21: 4,103 OI2026-10-23: 4,115 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, 20264,115+12
Oct 21, 2026Viewing4,103+44
Oct 16, 20264,059+69
Oct 15, 20263,9900
Oct 14, 20263,9900
Oct 13, 20263,990+19
Oct 09, 20263,971+80
Oct 08, 20263,891+1
Oct 07, 20263,8900
Oct 06, 20263,8900
Oct 05, 20263,8900
Oct 02, 20263,890No prior observation