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Contract OI history

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Nov 20, 2026 EXPIRATION

MOS $18.00 Put

MOS261120P00018000

Latest saved OI382Oct 23, 2026
Last change+133vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $18.00 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. 3821910 2026-10-02: 34 OI2026-10-05: 34 OI2026-10-06: 47 OI2026-10-07: 47 OI2026-10-08: 71 OI2026-10-09: 102 OI2026-10-13: 155 OI2026-10-14: 156 OI2026-10-15: 174 OI2026-10-16: 191 OI2026-10-21: 249 OI2026-10-23: 382 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, 2026382+133
Oct 21, 2026Viewing249+58
Oct 16, 2026191+17
Oct 15, 2026174+18
Oct 14, 2026156+1
Oct 13, 2026155+53
Oct 09, 2026102+31
Oct 08, 202671+24
Oct 07, 2026470
Oct 06, 202647+13
Oct 05, 2026340
Oct 02, 202634No prior observation