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Contract OI history

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Dec 18, 2026 EXPIRATION

MARA $4.00 Put

MARA261218P00004000

Latest saved OI3,429Oct 23, 2026
Last change+2,163vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $4.00 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. 3,4291,7140 2026-10-09: 1,257 OI2026-10-13: 1,257 OI2026-10-14: 1,257 OI2026-10-15: 1,257 OI2026-10-16: 1,257 OI2026-10-21: 1,266 OI2026-10-23: 3,429 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, 2026Viewing3,429+2,163
Oct 21, 20261,266+9
Oct 16, 20261,2570
Oct 15, 20261,2570
Oct 14, 20261,2570
Oct 13, 20261,2570
Oct 09, 20261,257No prior observation