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Contract OI history

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Oct 23, 2026 EXPIRATION

MS $180.00 Put

MS261023P00180000

Latest saved OI511Oct 23, 2026
Last change-22vs 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. 5332660 2026-10-02: 35 OI2026-10-05: 36 OI2026-10-06: 40 OI2026-10-07: 42 OI2026-10-08: 42 OI2026-10-09: 51 OI2026-10-13: 176 OI2026-10-14: 176 OI2026-10-15: 228 OI2026-10-16: 417 OI2026-10-21: 533 OI2026-10-23: 511 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, 2026Viewing511-22
Oct 21, 2026533+116
Oct 16, 2026417+189
Oct 15, 2026228+52
Oct 14, 20261760
Oct 13, 2026176+125
Oct 09, 202651+9
Oct 08, 2026420
Oct 07, 202642+2
Oct 06, 202640+4
Oct 05, 202636+1
Oct 02, 202635No prior observation