OITracker Cboe delayed data

Contract OI history

Back to BKKT

Jan 15, 2027 EXPIRATION

BKKT $40.00 Call

BKKT270115C00040000

Latest saved OI254Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKKT $40.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2561280 2026-10-02: 256 OI2026-10-05: 256 OI2026-10-06: 256 OI2026-10-07: 256 OI2026-10-08: 256 OI2026-10-09: 256 OI2026-10-13: 254 OI2026-10-14: 254 OI2026-10-16: 254 OI2026-10-20: 254 OI Oct 02, 2026Oct 20, 2026

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

BKKT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing2540
Oct 16, 20262540
Oct 14, 20262540
Oct 13, 2026254-2
Oct 09, 20262560
Oct 08, 20262560
Oct 07, 20262560
Oct 06, 20262560
Oct 05, 20262560
Oct 02, 2026256No prior observation