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Contract OI history

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Oct 23, 2026 EXPIRATION

MARA $8.50 Call

MARA261023C00008500

Latest saved OI57,921Oct 23, 2026
Last change+917vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $8.50 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. 57,92128,9600 2026-10-09: 131 OI2026-10-13: 144 OI2026-10-14: 144 OI2026-10-15: 1,601 OI2026-10-16: 6,348 OI2026-10-21: 57,004 OI2026-10-23: 57,921 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, 2026Viewing57,921+917
Oct 21, 202657,004+50,656
Oct 16, 20266,348+4,747
Oct 15, 20261,601+1,457
Oct 14, 20261440
Oct 13, 2026144+13
Oct 09, 2026131No prior observation