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Contract OI history

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Jan 15, 2027 EXPIRATION

MA $640.00 Call

MA270115C00640000

Latest saved OI815Oct 23, 2026
Last change+16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MA $640.00 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. 8194090 2026-10-02: 811 OI2026-10-05: 811 OI2026-10-06: 811 OI2026-10-07: 811 OI2026-10-08: 811 OI2026-10-09: 811 OI2026-10-13: 819 OI2026-10-14: 819 OI2026-10-15: 805 OI2026-10-16: 792 OI2026-10-21: 799 OI2026-10-23: 815 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, 2026Viewing815+16
Oct 21, 2026799+7
Oct 16, 2026792-13
Oct 15, 2026805-14
Oct 14, 20268190
Oct 13, 2026819+8
Oct 09, 20268110
Oct 08, 20268110
Oct 07, 20268110
Oct 06, 20268110
Oct 05, 20268110
Oct 02, 2026811No prior observation