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Contract OI history

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Nov 19, 2027 EXPIRATION

MARA $20.00 Call

MARA271119C00020000

Latest saved OI179Oct 23, 2026
Last change+6vs 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. 2051020 2026-10-09: 185 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-15: 205 OI2026-10-16: 173 OI2026-10-21: 173 OI2026-10-23: 179 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, 2026Viewing179+6
Oct 21, 20261730
Oct 16, 2026173-32
Oct 15, 2026205+1
Oct 14, 20262040
Oct 13, 2026204+19
Oct 09, 2026185No prior observation