OITracker Cboe delayed data

Contract OI history

Back to ILMN

Dec 18, 2026 EXPIRATION

ILMN $220.00 Call

ILMN261218C00220000

Latest saved OI752Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ILMN $220.00 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. 7523760 2026-10-09: 751 OI2026-10-13: 751 OI2026-10-14: 751 OI2026-10-15: 751 OI2026-10-16: 752 OI2026-10-21: 752 OI2026-10-23: 752 OI Oct 09, 2026Oct 23, 2026

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

ILMN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7520
Oct 21, 20267520
Oct 16, 2026752+1
Oct 15, 20267510
Oct 14, 20267510
Oct 13, 20267510
Oct 09, 2026751No prior observation