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Contract OI history

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Mar 19, 2027 EXPIRATION

MS $145.00 Put

MS270319P00145000

Latest saved OI672Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $145.00 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. 6723360 2026-10-02: 651 OI2026-10-05: 651 OI2026-10-06: 657 OI2026-10-07: 659 OI2026-10-08: 659 OI2026-10-09: 661 OI2026-10-13: 665 OI2026-10-14: 665 OI2026-10-15: 666 OI2026-10-16: 666 OI2026-10-21: 667 OI2026-10-23: 672 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, 2026Viewing672+5
Oct 21, 2026667+1
Oct 16, 20266660
Oct 15, 2026666+1
Oct 14, 20266650
Oct 13, 2026665+4
Oct 09, 2026661+2
Oct 08, 20266590
Oct 07, 2026659+2
Oct 06, 2026657+6
Oct 05, 20266510
Oct 02, 2026651No prior observation