OITracker Cboe delayed data

Contract OI history

Back to BETR

Jan 21, 2028 EXPIRATION

BETR $40.00 Call

BETR280121C00040000

Latest saved OI293Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BETR $40.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2931460 2026-10-08: 292 OI2026-10-09: 292 OI2026-10-13: 292 OI2026-10-14: 292 OI2026-10-16: 292 OI2026-10-21: 292 OI2026-10-23: 293 OI Oct 08, 2026Oct 23, 2026

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

BETR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing293+1
Oct 21, 20262920
Oct 16, 20262920
Oct 14, 20262920
Oct 13, 20262920
Oct 09, 20262920
Oct 08, 2026292No prior observation