OITracker Cboe delayed data

Contract OI history

Back to BTBT

Jan 21, 2028 EXPIRATION

BTBT $4.50 Call

BTBT280121C00004500

Latest saved OI4,144Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTBT $4.50 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. 4,1442,0720 2026-10-09: 2,991 OI2026-10-13: 4,140 OI2026-10-14: 4,140 OI2026-10-15: 4,140 OI2026-10-16: 4,140 OI2026-10-21: 4,144 OI2026-10-23: 4,144 OI Oct 09, 2026Oct 23, 2026

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

BTBT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,1440
Oct 21, 20264,144+4
Oct 16, 20264,1400
Oct 15, 20264,1400
Oct 14, 20264,1400
Oct 13, 20264,140+1,149
Oct 09, 20262,991No prior observation