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Contract OI history

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Oct 23, 2026 EXPIRATION

MOS $21.00 Put

MOS261023P00021000

Latest saved OI1Oct 23, 2026
Last change-2vs 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. 149740 2026-10-02: 131 OI2026-10-05: 139 OI2026-10-06: 143 OI2026-10-07: 143 OI2026-10-08: 145 OI2026-10-09: 149 OI2026-10-13: 147 OI2026-10-14: 149 OI2026-10-15: 147 OI2026-10-16: 145 OI2026-10-21: 3 OI2026-10-23: 1 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, 2026Viewing1-2
Oct 21, 20263-142
Oct 16, 2026145-2
Oct 15, 2026147-2
Oct 14, 2026149+2
Oct 13, 2026147-2
Oct 09, 2026149+4
Oct 08, 2026145+2
Oct 07, 20261430
Oct 06, 2026143+4
Oct 05, 2026139+8
Oct 02, 2026131No prior observation