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Contract OI history

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Dec 18, 2026 EXPIRATION

MA $510.00 Put

MA261218P00510000

Latest saved OI331Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $510.00 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. 3521760 2026-10-02: 351 OI2026-10-05: 352 OI2026-10-06: 350 OI2026-10-07: 340 OI2026-10-08: 340 OI2026-10-09: 341 OI2026-10-13: 335 OI2026-10-14: 335 OI2026-10-15: 335 OI2026-10-16: 332 OI2026-10-21: 332 OI2026-10-23: 331 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, 2026Viewing331-1
Oct 21, 20263320
Oct 16, 2026332-3
Oct 15, 20263350
Oct 14, 20263350
Oct 13, 2026335-6
Oct 09, 2026341+1
Oct 08, 20263400
Oct 07, 2026340-10
Oct 06, 2026350-2
Oct 05, 2026352+1
Oct 02, 2026351No prior observation