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Contract OI history

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Nov 20, 2026 EXPIRATION

ILMN $240.00 Put

ILMN261120P00240000

Latest saved OI410Oct 23, 2026
Last change-606vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ILMN $240.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0165080 2026-10-09: 286 OI2026-10-13: 415 OI2026-10-14: 421 OI2026-10-15: 353 OI2026-10-16: 357 OI2026-10-21: 1,016 OI2026-10-23: 410 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, 2026Viewing410-606
Oct 21, 20261,016+659
Oct 16, 2026357+4
Oct 15, 2026353-68
Oct 14, 2026421+6
Oct 13, 2026415+129
Oct 09, 2026286No prior observation