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Contract OI history

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Nov 20, 2026 EXPIRATION

MA $665.00 Call

MA261120C00665000

Latest saved OI532Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $665.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5322660 2026-10-02: 517 OI2026-10-05: 518 OI2026-10-06: 518 OI2026-10-07: 518 OI2026-10-08: 518 OI2026-10-09: 518 OI2026-10-13: 518 OI2026-10-14: 518 OI2026-10-15: 521 OI2026-10-16: 522 OI2026-10-21: 522 OI2026-10-23: 532 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, 2026Viewing532+10
Oct 21, 20265220
Oct 16, 2026522+1
Oct 15, 2026521+3
Oct 14, 20265180
Oct 13, 20265180
Oct 09, 20265180
Oct 08, 20265180
Oct 07, 20265180
Oct 06, 20265180
Oct 05, 2026518+1
Oct 02, 2026517No prior observation