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Contract OI history

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Dec 15, 2028 EXPIRATION

MARA $27.00 Call

MARA281215C00027000

Latest saved OI647Oct 23, 2026
Last change-94vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $27.00 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. 7413700 2026-10-09: 729 OI2026-10-13: 733 OI2026-10-14: 733 OI2026-10-15: 726 OI2026-10-16: 729 OI2026-10-21: 741 OI2026-10-23: 647 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, 2026Viewing647-94
Oct 21, 2026741+12
Oct 16, 2026729+3
Oct 15, 2026726-7
Oct 14, 20267330
Oct 13, 2026733+4
Oct 09, 2026729No prior observation