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Contract OI history

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Dec 18, 2026 EXPIRATION

MARA $12.00 Put

MARA261218P00012000

Latest saved OI1,912Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $12.00 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. 2,0901,0450 2026-10-09: 2,090 OI2026-10-13: 2,054 OI2026-10-14: 2,054 OI2026-10-15: 2,089 OI2026-10-16: 2,070 OI2026-10-21: 1,913 OI2026-10-23: 1,912 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, 2026Viewing1,912-1
Oct 21, 20261,913-157
Oct 16, 20262,070-19
Oct 15, 20262,089+35
Oct 14, 20262,0540
Oct 13, 20262,054-36
Oct 09, 20262,090No prior observation