OITracker Cboe delayed data

Contract OI history

Back to BULL

Jan 21, 2028 EXPIRATION

BULL $20.00 Call

BULL280121C00020000

Latest saved OI12,500Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BULL $20.00 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. 12,5016,2500 2026-10-09: 12,047 OI2026-10-13: 11,999 OI2026-10-14: 11,999 OI2026-10-15: 12,000 OI2026-10-16: 12,501 OI2026-10-21: 12,495 OI2026-10-23: 12,500 OI Oct 09, 2026Oct 23, 2026

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

BULL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing12,500+5
Oct 21, 202612,495-6
Oct 16, 202612,501+501
Oct 15, 202612,000+1
Oct 14, 202611,9990
Oct 13, 202611,999-48
Oct 09, 202612,047No prior observation