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Contract OI history

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Jan 21, 2028 EXPIRATION

CELC $50.00 Put

CELC280121P00050000

Latest saved OI303Oct 23, 2026
Last change+299vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CELC $50.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3031510 2026-10-08: 4 OI2026-10-13: 4 OI2026-10-14: 4 OI2026-10-16: 4 OI2026-10-20: 4 OI2026-10-23: 303 OI Oct 08, 2026Oct 23, 2026

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

CELC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing303+299
Oct 20, 202640
Oct 16, 202640
Oct 14, 202640
Oct 13, 202640
Oct 08, 20264No prior observation