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Contract OI history

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Nov 06, 2026 EXPIRATION

MARA $8.50 Call

MARA261106C00008500

Latest saved OI1,004Oct 23, 2026
Last change+223vs 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. 1,0045020 2026-10-09: 10 OI2026-10-13: 32 OI2026-10-14: 32 OI2026-10-15: 316 OI2026-10-16: 316 OI2026-10-21: 781 OI2026-10-23: 1,004 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, 2026Viewing1,004+223
Oct 21, 2026781+465
Oct 16, 20263160
Oct 15, 2026316+284
Oct 14, 2026320
Oct 13, 202632+22
Oct 09, 202610No prior observation