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Contract OI history

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Nov 20, 2026 EXPIRATION

MS $165.00 Put

MS261120P00165000

Latest saved OI3,362Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $165.00 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. 3,3661,6830 2026-10-02: 339 OI2026-10-05: 348 OI2026-10-06: 512 OI2026-10-07: 513 OI2026-10-08: 513 OI2026-10-09: 862 OI2026-10-13: 946 OI2026-10-14: 946 OI2026-10-15: 1,404 OI2026-10-16: 1,451 OI2026-10-21: 3,366 OI2026-10-23: 3,362 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, 2026Viewing3,362-4
Oct 21, 20263,366+1,915
Oct 16, 20261,451+47
Oct 15, 20261,404+458
Oct 14, 20269460
Oct 13, 2026946+84
Oct 09, 2026862+349
Oct 08, 20265130
Oct 07, 2026513+1
Oct 06, 2026512+164
Oct 05, 2026348+9
Oct 02, 2026339No prior observation