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Contract OI history

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Oct 30, 2026 EXPIRATION

MARA $8.50 Put

MARA261030P00008500

Latest saved OI1,984Oct 23, 2026
Last change+32vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $8.50 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. 1,9849920 2026-10-09: 811 OI2026-10-13: 1,418 OI2026-10-14: 1,418 OI2026-10-15: 1,511 OI2026-10-16: 1,535 OI2026-10-21: 1,952 OI2026-10-23: 1,984 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, 2026Viewing1,984+32
Oct 21, 20261,952+417
Oct 16, 20261,535+24
Oct 15, 20261,511+93
Oct 14, 20261,4180
Oct 13, 20261,418+607
Oct 09, 2026811No prior observation