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Contract OI history

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Sep 17, 2027 EXPIRATION

MS $165.00 Put

MS270917P00165000

Latest saved OI547Oct 23, 2026
Last change+123vs 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. 5472730 2026-10-02: 275 OI2026-10-05: 275 OI2026-10-06: 281 OI2026-10-07: 283 OI2026-10-08: 283 OI2026-10-09: 283 OI2026-10-13: 285 OI2026-10-14: 285 OI2026-10-15: 285 OI2026-10-16: 295 OI2026-10-21: 424 OI2026-10-23: 547 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, 2026Viewing547+123
Oct 21, 2026424+129
Oct 16, 2026295+10
Oct 15, 20262850
Oct 14, 20262850
Oct 13, 2026285+2
Oct 09, 20262830
Oct 08, 20262830
Oct 07, 2026283+2
Oct 06, 2026281+6
Oct 05, 20262750
Oct 02, 2026275No prior observation