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Contract OI history

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Oct 23, 2026 EXPIRATION

MOS $18.50 Put

MOS261023P00018500

Latest saved OI52Oct 23, 2026
Last change-135vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $18.50 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. 187930 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 11 OI2026-10-09: 27 OI2026-10-13: 146 OI2026-10-14: 152 OI2026-10-15: 154 OI2026-10-16: 157 OI2026-10-21: 187 OI2026-10-23: 52 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, 202652-135
Oct 21, 2026Viewing187+30
Oct 16, 2026157+3
Oct 15, 2026154+2
Oct 14, 2026152+6
Oct 13, 2026146+119
Oct 09, 202627+16
Oct 08, 202611+10
Oct 07, 202610
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation