OITracker Cboe delayed data

Contract OI history

Back to BTBT

Jan 21, 2028 EXPIRATION

BTBT $2.50 Call

BTBT280121C00002500

Latest saved OI10,771Oct 23, 2026
Last change+13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BTBT $2.50 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. 10,7715,3850 2026-10-09: 10,572 OI2026-10-13: 10,606 OI2026-10-14: 10,606 OI2026-10-15: 10,689 OI2026-10-16: 10,695 OI2026-10-21: 10,758 OI2026-10-23: 10,771 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, 2026Viewing10,771+13
Oct 21, 202610,758+63
Oct 16, 202610,695+6
Oct 15, 202610,689+83
Oct 14, 202610,6060
Oct 13, 202610,606+34
Oct 09, 202610,572No prior observation