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Contract OI history

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Dec 18, 2026 EXPIRATION

MA $490.00 Put

MA261218P00490000

Latest saved OI389Oct 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 $490.00 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. 3931960 2026-10-02: 392 OI2026-10-05: 393 OI2026-10-06: 380 OI2026-10-07: 380 OI2026-10-08: 380 OI2026-10-09: 377 OI2026-10-13: 374 OI2026-10-14: 374 OI2026-10-15: 377 OI2026-10-16: 377 OI2026-10-21: 389 OI2026-10-23: 389 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, 2026Viewing3890
Oct 21, 2026389+12
Oct 16, 20263770
Oct 15, 2026377+3
Oct 14, 20263740
Oct 13, 2026374-3
Oct 09, 2026377-3
Oct 08, 20263800
Oct 07, 20263800
Oct 06, 2026380-13
Oct 05, 2026393+1
Oct 02, 2026392No prior observation