OITracker Cboe delayed data

Contract OI history

Back to ILMN

Dec 18, 2026 EXPIRATION

ILMN $240.00 Call

ILMN261218C00240000

Latest saved OI203Oct 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 $240.00 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. 2051020 2026-10-09: 204 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-15: 205 OI2026-10-16: 205 OI2026-10-21: 203 OI2026-10-23: 203 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, 2026Viewing2030
Oct 21, 2026203-2
Oct 16, 20262050
Oct 15, 2026205+1
Oct 14, 20262040
Oct 13, 20262040
Oct 09, 2026204No prior observation