OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MARA $20.00 Put

MARA270115P00020000

Latest saved OI694Oct 23, 2026
Last change-121vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $20.00 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. 1,3856920 2026-10-09: 1,385 OI2026-10-13: 1,383 OI2026-10-14: 1,383 OI2026-10-15: 1,014 OI2026-10-16: 906 OI2026-10-21: 815 OI2026-10-23: 694 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, 2026Viewing694-121
Oct 21, 2026815-91
Oct 16, 2026906-108
Oct 15, 20261,014-369
Oct 14, 20261,3830
Oct 13, 20261,383-2
Oct 09, 20261,385No prior observation