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Contract OI history

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Jan 21, 2028 EXPIRATION

MS $170.00 Put

MS280121P00170000

Latest saved OI1,152Oct 23, 2026
Last change0vs 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. 1,1525760 2026-10-02: 1,096 OI2026-10-05: 1,121 OI2026-10-06: 1,146 OI2026-10-07: 1,146 OI2026-10-08: 1,146 OI2026-10-09: 1,146 OI2026-10-13: 1,146 OI2026-10-14: 1,146 OI2026-10-15: 1,146 OI2026-10-16: 1,147 OI2026-10-21: 1,152 OI2026-10-23: 1,152 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, 2026Viewing1,1520
Oct 21, 20261,152+5
Oct 16, 20261,147+1
Oct 15, 20261,1460
Oct 14, 20261,1460
Oct 13, 20261,1460
Oct 09, 20261,1460
Oct 08, 20261,1460
Oct 07, 20261,1460
Oct 06, 20261,146+25
Oct 05, 20261,121+25
Oct 02, 20261,096No prior observation