OITracker Cboe delayed data

Contract OI history

Back to MARA

Mar 19, 2027 EXPIRATION

MARA $8.00 Put

MARA270319P00008000

Latest saved OI4,736Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $8.00 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. 4,7362,3680 2026-10-09: 2,637 OI2026-10-13: 4,559 OI2026-10-14: 4,559 OI2026-10-15: 4,213 OI2026-10-16: 4,217 OI2026-10-21: 4,730 OI2026-10-23: 4,736 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, 2026Viewing4,736+6
Oct 21, 20264,730+513
Oct 16, 20264,217+4
Oct 15, 20264,213-346
Oct 14, 20264,5590
Oct 13, 20264,559+1,922
Oct 09, 20262,637No prior observation