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Contract OI history

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Mar 19, 2027 EXPIRATION

MARA $8.00 Call

MARA270319C00008000

Latest saved OI1,564Oct 23, 2026
Last change+140vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $8.00 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. 1,5647820 2026-10-09: 87 OI2026-10-13: 91 OI2026-10-14: 91 OI2026-10-15: 311 OI2026-10-16: 869 OI2026-10-21: 1,424 OI2026-10-23: 1,564 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, 2026Viewing1,564+140
Oct 21, 20261,424+555
Oct 16, 2026869+558
Oct 15, 2026311+220
Oct 14, 2026910
Oct 13, 202691+4
Oct 09, 202687No prior observation