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Contract OI history

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Sep 17, 2027 EXPIRATION

MS $170.00 Put

MS270917P00170000

Latest saved OI1,165Oct 23, 2026
Last change+142vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $170.00 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. 1,1655820 2026-10-02: 399 OI2026-10-05: 399 OI2026-10-06: 407 OI2026-10-07: 408 OI2026-10-08: 408 OI2026-10-09: 537 OI2026-10-13: 537 OI2026-10-14: 537 OI2026-10-15: 753 OI2026-10-16: 753 OI2026-10-21: 1,023 OI2026-10-23: 1,165 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, 2026Viewing1,165+142
Oct 21, 20261,023+270
Oct 16, 20267530
Oct 15, 2026753+216
Oct 14, 20265370
Oct 13, 20265370
Oct 09, 2026537+129
Oct 08, 20264080
Oct 07, 2026408+1
Oct 06, 2026407+8
Oct 05, 20263990
Oct 02, 2026399No prior observation