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Contract OI history

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Jan 21, 2028 EXPIRATION

CELC $70.00 Put

CELC280121P00070000

Latest saved OI348Oct 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 $70.00 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. 3481740 2026-10-08: 1 OI2026-10-13: 128 OI2026-10-14: 198 OI2026-10-16: 348 OI2026-10-20: 348 OI2026-10-23: 348 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, 2026Viewing3480
Oct 20, 20263480
Oct 16, 2026348+150
Oct 14, 2026198+70
Oct 13, 2026128+127
Oct 08, 20261No prior observation