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Contract OI history

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Mar 19, 2027 EXPIRATION

MARA $9.00 Put

MARA270319P00009000

Latest saved OI4,097Oct 23, 2026
Last change+400vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $9.00 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. 4,0972,0480 2026-10-09: 2,140 OI2026-10-13: 3,726 OI2026-10-14: 3,726 OI2026-10-15: 3,733 OI2026-10-16: 3,745 OI2026-10-21: 3,697 OI2026-10-23: 4,097 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, 2026Viewing4,097+400
Oct 21, 20263,697-48
Oct 16, 20263,745+12
Oct 15, 20263,733+7
Oct 14, 20263,7260
Oct 13, 20263,726+1,586
Oct 09, 20262,140No prior observation