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Contract OI history

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Dec 18, 2026 EXPIRATION

MARA $8.00 Put

MARA261218P00008000

Latest saved OI11,273Oct 23, 2026
Last change+571vs 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. 11,2735,6360 2026-10-09: 7,241 OI2026-10-13: 7,763 OI2026-10-14: 7,763 OI2026-10-15: 7,791 OI2026-10-16: 7,823 OI2026-10-21: 10,702 OI2026-10-23: 11,273 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, 2026Viewing11,273+571
Oct 21, 202610,702+2,879
Oct 16, 20267,823+32
Oct 15, 20267,791+28
Oct 14, 20267,7630
Oct 13, 20267,763+522
Oct 09, 20267,241No prior observation