OITracker Cboe delayed data

Contract OI history

Back to MARA

Jan 15, 2027 EXPIRATION

MARA $40.00 Call

MARA270115C00040000

Latest saved OI31,839Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $40.00 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. 32,65116,3250 2026-10-09: 32,651 OI2026-10-13: 32,006 OI2026-10-14: 32,006 OI2026-10-15: 32,002 OI2026-10-16: 32,002 OI2026-10-21: 31,841 OI2026-10-23: 31,839 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, 2026Viewing31,839-2
Oct 21, 202631,841-161
Oct 16, 202632,0020
Oct 15, 202632,002-4
Oct 14, 202632,0060
Oct 13, 202632,006-645
Oct 09, 202632,651No prior observation