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Contract OI history

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Nov 20, 2026 EXPIRATION

MS $220.00 Put

MS261120P00220000

Latest saved OI661Oct 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 $220.00 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. 6903450 2026-10-02: 690 OI2026-10-05: 690 OI2026-10-06: 690 OI2026-10-07: 690 OI2026-10-08: 690 OI2026-10-09: 689 OI2026-10-13: 689 OI2026-10-14: 689 OI2026-10-15: 661 OI2026-10-16: 661 OI2026-10-21: 661 OI2026-10-23: 661 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, 2026Viewing6610
Oct 21, 20266610
Oct 16, 20266610
Oct 15, 2026661-28
Oct 14, 20266890
Oct 13, 20266890
Oct 09, 2026689-1
Oct 08, 20266900
Oct 07, 20266900
Oct 06, 20266900
Oct 05, 20266900
Oct 02, 2026690No prior observation