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Contract OI history

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Jun 17, 2027 EXPIRATION

MOS $21.00 Put

MOS270617P00021000

Latest saved OI193Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $21.00 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. 193960 2026-10-02: 7 OI2026-10-05: 8 OI2026-10-06: 8 OI2026-10-07: 8 OI2026-10-08: 15 OI2026-10-09: 18 OI2026-10-13: 180 OI2026-10-14: 186 OI2026-10-15: 186 OI2026-10-16: 184 OI2026-10-21: 184 OI2026-10-23: 193 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, 2026193+9
Oct 21, 2026Viewing1840
Oct 16, 2026184-2
Oct 15, 20261860
Oct 14, 2026186+6
Oct 13, 2026180+162
Oct 09, 202618+3
Oct 08, 202615+7
Oct 07, 202680
Oct 06, 202680
Oct 05, 20268+1
Oct 02, 20267No prior observation