OITracker Cboe delayed data

Contract OI history

Back to MARA

Nov 13, 2026 EXPIRATION

MARA $10.50 Put

MARA261113P00010500

Latest saved OI338Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MARA $10.50 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. 3381690 2026-10-09: 256 OI2026-10-13: 222 OI2026-10-14: 222 OI2026-10-15: 280 OI2026-10-16: 281 OI2026-10-21: 326 OI2026-10-23: 338 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, 2026Viewing338+12
Oct 21, 2026326+45
Oct 16, 2026281+1
Oct 15, 2026280+58
Oct 14, 20262220
Oct 13, 2026222-34
Oct 09, 2026256No prior observation