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Contract OI history

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Jun 17, 2027 EXPIRATION

MARA $40.00 Call

MARA270617C00040000

Latest saved OI18,468Oct 23, 2026
Last change+196vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $40.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 18,4689,2340 2026-10-09: 17,140 OI2026-10-13: 17,360 OI2026-10-14: 17,360 OI2026-10-15: 17,182 OI2026-10-16: 17,496 OI2026-10-21: 18,272 OI2026-10-23: 18,468 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MARA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing18,468+196
Oct 21, 202618,272+776
Oct 16, 202617,496+314
Oct 15, 202617,182-178
Oct 14, 202617,3600
Oct 13, 202617,360+220
Oct 09, 202617,140No prior observation