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Contract OI history

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Oct 23, 2026 EXPIRATION

MARA $13.50 Call

MARA261023C00013500

Latest saved OI1,544Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $13.50 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. 1,5497740 2026-10-09: 1,531 OI2026-10-13: 1,529 OI2026-10-14: 1,529 OI2026-10-15: 1,549 OI2026-10-16: 1,549 OI2026-10-21: 1,545 OI2026-10-23: 1,544 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, 2026Viewing1,544-1
Oct 21, 20261,545-4
Oct 16, 20261,5490
Oct 15, 20261,549+20
Oct 14, 20261,5290
Oct 13, 20261,529-2
Oct 09, 20261,531No prior observation