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Contract OI history

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Nov 20, 2026 EXPIRATION

MA $475.00 Put

MA261120P00475000

Latest saved OI59Oct 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 $475.00 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. 61300 2026-10-02: 51 OI2026-10-05: 51 OI2026-10-06: 61 OI2026-10-07: 60 OI2026-10-08: 60 OI2026-10-09: 59 OI2026-10-13: 59 OI2026-10-14: 59 OI2026-10-15: 59 OI2026-10-16: 59 OI2026-10-21: 59 OI2026-10-23: 59 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, 2026Viewing590
Oct 21, 2026590
Oct 16, 2026590
Oct 15, 2026590
Oct 14, 2026590
Oct 13, 2026590
Oct 09, 202659-1
Oct 08, 2026600
Oct 07, 202660-1
Oct 06, 202661+10
Oct 05, 2026510
Oct 02, 202651No prior observation