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Contract OI history

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Jan 15, 2027 EXPIRATION

MARA $21.00 Call

MARA270115C00021000

Latest saved OI3,190Oct 23, 2026
Last change+503vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $21.00 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. 3,1901,5950 2026-10-09: 2,095 OI2026-10-13: 2,657 OI2026-10-14: 2,657 OI2026-10-15: 2,658 OI2026-10-16: 2,687 OI2026-10-21: 2,687 OI2026-10-23: 3,190 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, 2026Viewing3,190+503
Oct 21, 20262,6870
Oct 16, 20262,687+29
Oct 15, 20262,658+1
Oct 14, 20262,6570
Oct 13, 20262,657+562
Oct 09, 20262,095No prior observation