OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BIIB $150.00 Call

BIIB280121C00150000

Latest saved OI2,096Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BIIB $150.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,0971,0480 2026-10-09: 2,097 OI2026-10-13: 2,097 OI2026-10-14: 2,097 OI2026-10-15: 2,096 OI2026-10-16: 2,096 OI2026-10-21: 2,096 OI2026-10-23: 2,096 OI Oct 09, 2026Oct 23, 2026

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

BIIB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,0960
Oct 21, 20262,0960
Oct 16, 20262,0960
Oct 15, 20262,096-1
Oct 14, 20262,0970
Oct 13, 20262,0970
Oct 09, 20262,097No prior observation