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Contract OI history

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Jan 21, 2028 EXPIRATION

MS $165.00 Put

MS280121P00165000

Latest saved OI205Oct 23, 2026
Last change+3vs 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. 2051020 2026-10-02: 188 OI2026-10-05: 193 OI2026-10-06: 200 OI2026-10-07: 200 OI2026-10-08: 200 OI2026-10-09: 200 OI2026-10-13: 200 OI2026-10-14: 200 OI2026-10-15: 202 OI2026-10-16: 202 OI2026-10-21: 202 OI2026-10-23: 205 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, 2026Viewing205+3
Oct 21, 20262020
Oct 16, 20262020
Oct 15, 2026202+2
Oct 14, 20262000
Oct 13, 20262000
Oct 09, 20262000
Oct 08, 20262000
Oct 07, 20262000
Oct 06, 2026200+7
Oct 05, 2026193+5
Oct 02, 2026188No prior observation