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Contract OI history

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Nov 20, 2026 EXPIRATION

MARA $18.00 Call

MARA261120C00018000

Latest saved OI6,610Oct 23, 2026
Last change-869vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $18.00 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. 7,4793,7390 2026-10-09: 4,897 OI2026-10-13: 5,332 OI2026-10-14: 5,332 OI2026-10-15: 4,961 OI2026-10-16: 6,444 OI2026-10-21: 7,479 OI2026-10-23: 6,610 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, 2026Viewing6,610-869
Oct 21, 20267,479+1,035
Oct 16, 20266,444+1,483
Oct 15, 20264,961-371
Oct 14, 20265,3320
Oct 13, 20265,332+435
Oct 09, 20264,897No prior observation