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Contract OI history

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Jan 19, 2029 EXPIRATION

MARA $20.00 Call

MARA290119C00020000

Latest saved OI546Oct 23, 2026
Last change+190vs 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. 5462730 2026-10-09: 219 OI2026-10-13: 328 OI2026-10-14: 328 OI2026-10-15: 353 OI2026-10-16: 353 OI2026-10-21: 356 OI2026-10-23: 546 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, 2026Viewing546+190
Oct 21, 2026356+3
Oct 16, 20263530
Oct 15, 2026353+25
Oct 14, 20263280
Oct 13, 2026328+109
Oct 09, 2026219No prior observation