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Contract OI history

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Jan 19, 2029 EXPIRATION

MARA $12.00 Call

MARA290119C00012000

Latest saved OI1,391Oct 23, 2026
Last change+1,153vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $12.00 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. 1,3916950 2026-10-09: 199 OI2026-10-13: 199 OI2026-10-14: 199 OI2026-10-15: 244 OI2026-10-16: 245 OI2026-10-21: 238 OI2026-10-23: 1,391 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, 2026Viewing1,391+1,153
Oct 21, 2026238-7
Oct 16, 2026245+1
Oct 15, 2026244+45
Oct 14, 20261990
Oct 13, 20261990
Oct 09, 2026199No prior observation