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Contract OI history

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Nov 13, 2026 EXPIRATION

MA $525.00 Put

MA261113P00525000

Latest saved OI101Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $525.00 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. 101500 2026-10-02: 0 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 101 OI2026-10-14: 101 OI2026-10-15: 101 OI2026-10-16: 101 OI2026-10-21: 101 OI2026-10-23: 101 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1010
Oct 21, 20261010
Oct 16, 20261010
Oct 15, 20261010
Oct 14, 20261010
Oct 13, 2026101+100
Oct 09, 202610
Oct 08, 202610
Oct 07, 202610
Oct 06, 202610
Oct 05, 20261+1
Oct 02, 20260No prior observation