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Contract OI history

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Jan 21, 2028 EXPIRATION

MARA $20.00 Call

MARA280121C00020000

Latest saved OI7,562Oct 23, 2026
Last change+131vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $20.00 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. 7,5623,7810 2026-10-09: 6,341 OI2026-10-13: 6,423 OI2026-10-14: 6,423 OI2026-10-15: 6,387 OI2026-10-16: 6,402 OI2026-10-21: 7,431 OI2026-10-23: 7,562 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, 2026Viewing7,562+131
Oct 21, 20267,431+1,029
Oct 16, 20266,402+15
Oct 15, 20266,387-36
Oct 14, 20266,4230
Oct 13, 20266,423+82
Oct 09, 20266,341No prior observation