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Contract OI history

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Nov 06, 2026 EXPIRATION

MARA $8.50 Put

MARA261106P00008500

Latest saved OI2,392Oct 23, 2026
Last change+32vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $8.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5,1062,5530 2026-10-09: 4,441 OI2026-10-13: 4,599 OI2026-10-14: 4,599 OI2026-10-15: 5,106 OI2026-10-16: 2,333 OI2026-10-21: 2,360 OI2026-10-23: 2,392 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, 2026Viewing2,392+32
Oct 21, 20262,360+27
Oct 16, 20262,333-2,773
Oct 15, 20265,106+507
Oct 14, 20264,5990
Oct 13, 20264,599+158
Oct 09, 20264,441No prior observation