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Contract OI history

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Oct 15, 2027 EXPIRATION

MARA $27.00 Call

MARA271015C00027000

Latest saved OI212Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $27.00 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. 2121060 2026-10-09: 203 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-15: 204 OI2026-10-16: 206 OI2026-10-21: 207 OI2026-10-23: 212 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, 2026Viewing212+5
Oct 21, 2026207+1
Oct 16, 2026206+2
Oct 15, 20262040
Oct 14, 20262040
Oct 13, 2026204+1
Oct 09, 2026203No prior observation