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Contract OI history

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Nov 20, 2026 EXPIRATION

MARA $6.50 Put

MARA261120P00006500

Latest saved OI1,239Oct 23, 2026
Last change+690vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $6.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 1,2396190 2026-10-21: 549 OI2026-10-23: 1,239 OI Oct 21, 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, 2026Viewing1,239+690
Oct 21, 2026549No prior observation