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Contract OI history

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Jan 21, 2028 EXPIRATION

CELC $80.00 Put

CELC280121P00080000

Latest saved OI299Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CELC $80.00 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. 2991490 2026-10-08: 63 OI2026-10-13: 99 OI2026-10-14: 199 OI2026-10-16: 199 OI2026-10-20: 299 OI2026-10-23: 299 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, 2026Viewing2990
Oct 20, 2026299+100
Oct 16, 20261990
Oct 14, 2026199+100
Oct 13, 202699+36
Oct 08, 202663No prior observation