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Contract OI history

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Jan 21, 2028 EXPIRATION

MARA $8.00 Put

MARA280121P00008000

Latest saved OI3,931Oct 23, 2026
Last change+59vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $8.00 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. 3,9311,9650 2026-10-09: 3,444 OI2026-10-13: 3,445 OI2026-10-14: 3,445 OI2026-10-15: 3,678 OI2026-10-16: 3,851 OI2026-10-21: 3,872 OI2026-10-23: 3,931 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, 2026Viewing3,931+59
Oct 21, 20263,872+21
Oct 16, 20263,851+173
Oct 15, 20263,678+233
Oct 14, 20263,4450
Oct 13, 20263,445+1
Oct 09, 20263,444No prior observation