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Contract OI history

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Jan 21, 2028 EXPIRATION

MARA $8.00 Call

MARA280121C00008000

Latest saved OI2,354Oct 23, 2026
Last change+25vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $8.00 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. 2,3541,1770 2026-10-09: 2,064 OI2026-10-13: 2,082 OI2026-10-14: 2,082 OI2026-10-15: 2,144 OI2026-10-16: 2,212 OI2026-10-21: 2,329 OI2026-10-23: 2,354 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, 2026Viewing2,354+25
Oct 21, 20262,329+117
Oct 16, 20262,212+68
Oct 15, 20262,144+62
Oct 14, 20262,0820
Oct 13, 20262,082+18
Oct 09, 20262,064No prior observation