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Contract OI history

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Dec 18, 2026 EXPIRATION

MS $180.00 Put

MS261218P00180000

Latest saved OI1,875Oct 23, 2026
Last change+210vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $180.00 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. 1,8759370 2026-10-02: 1,004 OI2026-10-05: 1,009 OI2026-10-06: 1,038 OI2026-10-07: 1,039 OI2026-10-08: 1,039 OI2026-10-09: 1,040 OI2026-10-13: 1,051 OI2026-10-14: 1,051 OI2026-10-15: 1,114 OI2026-10-16: 1,518 OI2026-10-21: 1,665 OI2026-10-23: 1,875 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, 2026Viewing1,875+210
Oct 21, 20261,665+147
Oct 16, 20261,518+404
Oct 15, 20261,114+63
Oct 14, 20261,0510
Oct 13, 20261,051+11
Oct 09, 20261,040+1
Oct 08, 20261,0390
Oct 07, 20261,039+1
Oct 06, 20261,038+29
Oct 05, 20261,009+5
Oct 02, 20261,004No prior observation