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Contract OI history

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Dec 18, 2026 EXPIRATION

MA $540.00 Put

MA261218P00540000

Latest saved OI1,974Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $540.00 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. 2,0001,0000 2026-10-02: 1,993 OI2026-10-05: 1,996 OI2026-10-06: 1,992 OI2026-10-07: 1,990 OI2026-10-08: 1,990 OI2026-10-09: 1,992 OI2026-10-13: 1,986 OI2026-10-14: 1,986 OI2026-10-15: 2,000 OI2026-10-16: 1,983 OI2026-10-21: 1,976 OI2026-10-23: 1,974 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, 2026Viewing1,974-2
Oct 21, 20261,976-7
Oct 16, 20261,983-17
Oct 15, 20262,000+14
Oct 14, 20261,9860
Oct 13, 20261,986-6
Oct 09, 20261,992+2
Oct 08, 20261,9900
Oct 07, 20261,990-2
Oct 06, 20261,992-4
Oct 05, 20261,996+3
Oct 02, 20261,993No prior observation