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Contract OI history

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Mar 19, 2027 EXPIRATION

MOS $17.50 Put

MOS270319P00017500

Latest saved OI1,225Oct 23, 2026
Last change+136vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MOS $17.50 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. 1,2256120 2026-10-02: 760 OI2026-10-05: 759 OI2026-10-06: 760 OI2026-10-07: 760 OI2026-10-08: 762 OI2026-10-09: 1,005 OI2026-10-13: 1,025 OI2026-10-14: 1,025 OI2026-10-15: 1,026 OI2026-10-16: 1,050 OI2026-10-21: 1,089 OI2026-10-23: 1,225 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, 20261,225+136
Oct 21, 2026Viewing1,089+39
Oct 16, 20261,050+24
Oct 15, 20261,026+1
Oct 14, 20261,0250
Oct 13, 20261,025+20
Oct 09, 20261,005+243
Oct 08, 2026762+2
Oct 07, 20267600
Oct 06, 2026760+1
Oct 05, 2026759-1
Oct 02, 2026760No prior observation