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Contract OI history

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Jan 21, 2028 EXPIRATION

MA $550.00 Call

MA280121C00550000

Latest saved OI145Oct 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 $550.00 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. 146730 2026-10-02: 142 OI2026-10-05: 146 OI2026-10-06: 146 OI2026-10-07: 146 OI2026-10-08: 146 OI2026-10-09: 146 OI2026-10-13: 146 OI2026-10-14: 146 OI2026-10-15: 146 OI2026-10-16: 145 OI2026-10-21: 145 OI2026-10-23: 145 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, 2026Viewing1450
Oct 21, 20261450
Oct 16, 2026145-1
Oct 15, 20261460
Oct 14, 20261460
Oct 13, 20261460
Oct 09, 20261460
Oct 08, 20261460
Oct 07, 20261460
Oct 06, 20261460
Oct 05, 2026146+4
Oct 02, 2026142No prior observation