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Contract OI history

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Nov 27, 2026 EXPIRATION

MARA $8.50 Call

MARA261127C00008500

Latest saved OI456Oct 23, 2026
Last change-117vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $8.50 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. 5732860 2026-10-09: 1 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 131 OI2026-10-16: 157 OI2026-10-21: 573 OI2026-10-23: 456 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, 2026Viewing456-117
Oct 21, 2026573+416
Oct 16, 2026157+26
Oct 15, 2026131+125
Oct 14, 202660
Oct 13, 20266+5
Oct 09, 20261No prior observation