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Contract OI history

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Nov 13, 2026 EXPIRATION

MARA $9.50 Put

MARA261113P00009500

Latest saved OI839Oct 23, 2026
Last change+26vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $9.50 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. 8394190 2026-10-09: 631 OI2026-10-13: 663 OI2026-10-14: 663 OI2026-10-15: 794 OI2026-10-16: 796 OI2026-10-21: 813 OI2026-10-23: 839 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, 2026Viewing839+26
Oct 21, 2026813+17
Oct 16, 2026796+2
Oct 15, 2026794+131
Oct 14, 20266630
Oct 13, 2026663+32
Oct 09, 2026631No prior observation