OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BKKT $20.00 Call

BKKT270115C00020000

Latest saved OI2,353Oct 20, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKKT $20.00 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. 2,3571,1780 2026-10-02: 2,357 OI2026-10-05: 2,357 OI2026-10-06: 2,357 OI2026-10-07: 2,352 OI2026-10-08: 2,352 OI2026-10-09: 2,350 OI2026-10-13: 2,350 OI2026-10-14: 2,350 OI2026-10-16: 2,352 OI2026-10-20: 2,353 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, 2026Viewing2,353+1
Oct 16, 20262,352+2
Oct 14, 20262,3500
Oct 13, 20262,3500
Oct 09, 20262,350-2
Oct 08, 20262,3520
Oct 07, 20262,352-5
Oct 06, 20262,3570
Oct 05, 20262,3570
Oct 02, 20262,357No prior observation