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Contract OI history

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Nov 20, 2026 EXPIRATION

MS $175.00 Put

MS261120P00175000

Latest saved OI1,574Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $175.00 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. 1,5747870 2026-10-02: 706 OI2026-10-05: 739 OI2026-10-06: 992 OI2026-10-07: 1,009 OI2026-10-08: 1,009 OI2026-10-09: 1,012 OI2026-10-13: 1,043 OI2026-10-14: 1,043 OI2026-10-15: 1,077 OI2026-10-16: 1,335 OI2026-10-21: 1,553 OI2026-10-23: 1,574 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, 2026Viewing1,574+21
Oct 21, 20261,553+218
Oct 16, 20261,335+258
Oct 15, 20261,077+34
Oct 14, 20261,0430
Oct 13, 20261,043+31
Oct 09, 20261,012+3
Oct 08, 20261,0090
Oct 07, 20261,009+17
Oct 06, 2026992+253
Oct 05, 2026739+33
Oct 02, 2026706No prior observation