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Contract OI history

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Nov 27, 2026 EXPIRATION

MARA $20.00 Call

MARA261127C00020000

Latest saved OI261Oct 23, 2026
Last change+105vs 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. 2611300 2026-10-09: 30 OI2026-10-13: 30 OI2026-10-14: 30 OI2026-10-15: 30 OI2026-10-16: 156 OI2026-10-21: 156 OI2026-10-23: 261 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, 2026Viewing261+105
Oct 21, 20261560
Oct 16, 2026156+126
Oct 15, 2026300
Oct 14, 2026300
Oct 13, 2026300
Oct 09, 202630No prior observation