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Contract OI history

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Sep 17, 2027 EXPIRATION

MS $155.00 Put

MS270917P00155000

Latest saved OI1,042Oct 23, 2026
Last change+84vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $155.00 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. 1,0425210 2026-10-02: 848 OI2026-10-05: 848 OI2026-10-06: 846 OI2026-10-07: 846 OI2026-10-08: 846 OI2026-10-09: 846 OI2026-10-13: 844 OI2026-10-14: 844 OI2026-10-15: 846 OI2026-10-16: 859 OI2026-10-21: 958 OI2026-10-23: 1,042 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, 2026Viewing1,042+84
Oct 21, 2026958+99
Oct 16, 2026859+13
Oct 15, 2026846+2
Oct 14, 20268440
Oct 13, 2026844-2
Oct 09, 20268460
Oct 08, 20268460
Oct 07, 20268460
Oct 06, 2026846-2
Oct 05, 20268480
Oct 02, 2026848No prior observation