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Contract OI history

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Oct 30, 2026 EXPIRATION

MARA $8.50 Call

MARA261030C00008500

Latest saved OI6,952Oct 23, 2026
Last change+544vs 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. 6,9523,4760 2026-10-09: 40 OI2026-10-13: 61 OI2026-10-14: 61 OI2026-10-15: 592 OI2026-10-16: 3,606 OI2026-10-21: 6,408 OI2026-10-23: 6,952 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, 2026Viewing6,952+544
Oct 21, 20266,408+2,802
Oct 16, 20263,606+3,014
Oct 15, 2026592+531
Oct 14, 2026610
Oct 13, 202661+21
Oct 09, 202640No prior observation