OITracker Cboe delayed data

Contract OI history

Back to MDLN

Jan 15, 2027 EXPIRATION

MDLN $40.00 Call

MDLN270115C00040000

Latest saved OI533Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDLN $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. 5332660 2026-10-09: 503 OI2026-10-13: 503 OI2026-10-14: 503 OI2026-10-15: 503 OI2026-10-16: 503 OI2026-10-21: 503 OI2026-10-23: 533 OI Oct 09, 2026Oct 23, 2026

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

MDLN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026533+30
Oct 21, 2026Viewing5030
Oct 16, 20265030
Oct 15, 20265030
Oct 14, 20265030
Oct 13, 20265030
Oct 09, 2026503No prior observation