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Contract OI history

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Nov 06, 2026 EXPIRATION

MA $525.00 Put

MA261106P00525000

Latest saved OI133Oct 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. 133660 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 33 OI2026-10-07: 33 OI2026-10-08: 33 OI2026-10-09: 33 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-15: 133 OI2026-10-16: 133 OI2026-10-21: 133 OI2026-10-23: 133 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, 2026Viewing1330
Oct 21, 20261330
Oct 16, 20261330
Oct 15, 20261330
Oct 14, 20261330
Oct 13, 2026133+100
Oct 09, 2026330
Oct 08, 2026330
Oct 07, 2026330
Oct 06, 2026330
Oct 05, 2026330
Oct 02, 202633No prior observation