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Contract OI history

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Jan 21, 2028 EXPIRATION

CELC $55.00 Call

CELC280121C00055000

Latest saved OI397Oct 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 $55.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4032010 2026-10-08: 403 OI2026-10-13: 403 OI2026-10-14: 403 OI2026-10-16: 403 OI2026-10-20: 397 OI2026-10-23: 397 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, 2026Viewing3970
Oct 20, 2026397-6
Oct 16, 20264030
Oct 14, 20264030
Oct 13, 20264030
Oct 08, 2026403No prior observation