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Contract OI history

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Oct 23, 2026 EXPIRATION

MS $177.50 Put

MS261023P00177500

Latest saved OI737Oct 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
MS $177.50 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. 7373680 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 12 OI2026-10-07: 13 OI2026-10-08: 13 OI2026-10-09: 39 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-15: 115 OI2026-10-16: 158 OI2026-10-21: 724 OI2026-10-23: 737 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing737+13
Oct 21, 2026724+566
Oct 16, 2026158+43
Oct 15, 2026115-8
Oct 14, 20261230
Oct 13, 2026123+84
Oct 09, 202639+26
Oct 08, 2026130
Oct 07, 202613+1
Oct 06, 202612+12
Oct 05, 202600
Oct 02, 20260No prior observation