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Contract OI history

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Nov 20, 2026 EXPIRATION

ILMN $280.00 Call

ILMN261120C00280000

Latest saved OI286Oct 23, 2026
Last change-25vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ILMN $280.00 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. 3111550 2026-10-09: 245 OI2026-10-13: 249 OI2026-10-14: 249 OI2026-10-15: 263 OI2026-10-16: 269 OI2026-10-21: 311 OI2026-10-23: 286 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, 2026Viewing286-25
Oct 21, 2026311+42
Oct 16, 2026269+6
Oct 15, 2026263+14
Oct 14, 20262490
Oct 13, 2026249+4
Oct 09, 2026245No prior observation