OITracker Cboe delayed data

Contract OI history

Back to MMSI

Dec 18, 2026 EXPIRATION

MMSI $100.00 Call

MMSI261218C00100000

Latest saved OI45Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MMSI $100.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 45220 2026-10-08: 25 OI2026-10-09: 25 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-16: 25 OI2026-10-20: 39 OI2026-10-23: 45 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MMSI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing45+6
Oct 20, 202639+14
Oct 16, 2026250
Oct 14, 2026250
Oct 13, 2026250
Oct 09, 2026250
Oct 08, 202625No prior observation