OITracker Cboe delayed data

Contract OI history

Back to MARA

Nov 27, 2026 EXPIRATION

MARA $8.50 Put

MARA261127P00008500

Latest saved OI287Oct 23, 2026
Last change-71vs 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. 3581790 2026-10-09: 18 OI2026-10-13: 128 OI2026-10-14: 128 OI2026-10-15: 149 OI2026-10-16: 245 OI2026-10-21: 358 OI2026-10-23: 287 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, 2026Viewing287-71
Oct 21, 2026358+113
Oct 16, 2026245+96
Oct 15, 2026149+21
Oct 14, 20261280
Oct 13, 2026128+110
Oct 09, 202618No prior observation