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Contract OI history

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Nov 13, 2026 EXPIRATION

MARA $8.50 Call

MARA261113C00008500

Latest saved OI937Oct 23, 2026
Last change-263vs 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. 1,2006000 2026-10-09: 6 OI2026-10-13: 145 OI2026-10-14: 145 OI2026-10-15: 229 OI2026-10-16: 290 OI2026-10-21: 1,200 OI2026-10-23: 937 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, 2026Viewing937-263
Oct 21, 20261,200+910
Oct 16, 2026290+61
Oct 15, 2026229+84
Oct 14, 20261450
Oct 13, 2026145+139
Oct 09, 20266No prior observation