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Contract OI history

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Dec 18, 2026 EXPIRATION

MARA $13.00 Put

MARA261218P00013000

Latest saved OI1,898Oct 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 $13.00 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. 1,8989490 2026-10-09: 1,587 OI2026-10-13: 1,597 OI2026-10-14: 1,597 OI2026-10-15: 1,592 OI2026-10-16: 1,630 OI2026-10-21: 1,893 OI2026-10-23: 1,898 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, 2026Viewing1,898+5
Oct 21, 20261,893+263
Oct 16, 20261,630+38
Oct 15, 20261,592-5
Oct 14, 20261,5970
Oct 13, 20261,597+10
Oct 09, 20261,587No prior observation