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Contract OI history

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Dec 18, 2026 EXPIRATION

MS $170.00 Put

MS261218P00170000

Latest saved OI3,368Oct 23, 2026
Last change+89vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $170.00 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. 3,3681,6840 2026-10-02: 2,049 OI2026-10-05: 2,076 OI2026-10-06: 2,087 OI2026-10-07: 2,093 OI2026-10-08: 2,093 OI2026-10-09: 2,110 OI2026-10-13: 2,511 OI2026-10-14: 2,511 OI2026-10-15: 2,622 OI2026-10-16: 3,182 OI2026-10-21: 3,279 OI2026-10-23: 3,368 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, 2026Viewing3,368+89
Oct 21, 20263,279+97
Oct 16, 20263,182+560
Oct 15, 20262,622+111
Oct 14, 20262,5110
Oct 13, 20262,511+401
Oct 09, 20262,110+17
Oct 08, 20262,0930
Oct 07, 20262,093+6
Oct 06, 20262,087+11
Oct 05, 20262,076+27
Oct 02, 20262,049No prior observation