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Contract OI history

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Oct 23, 2026 EXPIRATION

MARA $12.50 Put

MARA261023P00012500

Latest saved OI1Oct 23, 2026
Last change-11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $12.50 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. 3281640 2026-10-09: 328 OI2026-10-13: 311 OI2026-10-14: 311 OI2026-10-15: 45 OI2026-10-16: 45 OI2026-10-21: 12 OI2026-10-23: 1 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, 2026Viewing1-11
Oct 21, 202612-33
Oct 16, 2026450
Oct 15, 202645-266
Oct 14, 20263110
Oct 13, 2026311-17
Oct 09, 2026328No prior observation