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Contract OI history

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Oct 30, 2026 EXPIRATION

MOS $18.00 Put

MOS261030P00018000

Latest saved OI506Oct 23, 2026
Last change+13vs 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. 5062530 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 27 OI2026-10-09: 51 OI2026-10-13: 312 OI2026-10-14: 309 OI2026-10-15: 216 OI2026-10-16: 222 OI2026-10-21: 493 OI2026-10-23: 506 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, 2026506+13
Oct 21, 2026Viewing493+271
Oct 16, 2026222+6
Oct 15, 2026216-93
Oct 14, 2026309-3
Oct 13, 2026312+261
Oct 09, 202651+24
Oct 08, 202627+27
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation