OITracker Cboe delayed data

Contract OI history

Back to MARA

Jan 15, 2027 EXPIRATION

MARA $35.00 Call

MARA270115C00035000

Latest saved OI13,665Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $35.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 13,7406,8700 2026-10-09: 13,740 OI2026-10-13: 13,736 OI2026-10-14: 13,736 OI2026-10-15: 13,726 OI2026-10-16: 13,665 OI2026-10-21: 13,665 OI2026-10-23: 13,665 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, 2026Viewing13,6650
Oct 21, 202613,6650
Oct 16, 202613,665-61
Oct 15, 202613,726-10
Oct 14, 202613,7360
Oct 13, 202613,736-4
Oct 09, 202613,740No prior observation