OITracker Cboe delayed data

Contract OI history

Back to BETR

Jan 15, 2027 EXPIRATION

BETR $17.50 Call

BETR270115C00017500

Latest saved OI708Oct 23, 2026
Last change+207vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BETR $17.50 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. 7083540 2026-10-08: 500 OI2026-10-09: 500 OI2026-10-13: 501 OI2026-10-14: 501 OI2026-10-16: 501 OI2026-10-21: 501 OI2026-10-23: 708 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, 2026Viewing708+207
Oct 21, 20265010
Oct 16, 20265010
Oct 14, 20265010
Oct 13, 2026501+1
Oct 09, 20265000
Oct 08, 2026500No prior observation