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Contract OI history

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Jan 21, 2028 EXPIRATION

BKKT $8.00 Call

BKKT280121C00008000

Latest saved OI258Oct 20, 2026
Last change+4vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKKT $8.00 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. 2581290 2026-10-02: 213 OI2026-10-05: 213 OI2026-10-06: 213 OI2026-10-07: 218 OI2026-10-08: 219 OI2026-10-09: 230 OI2026-10-13: 250 OI2026-10-14: 253 OI2026-10-16: 254 OI2026-10-20: 258 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, 2026Viewing258+4
Oct 16, 2026254+1
Oct 14, 2026253+3
Oct 13, 2026250+20
Oct 09, 2026230+11
Oct 08, 2026219+1
Oct 07, 2026218+5
Oct 06, 20262130
Oct 05, 20262130
Oct 02, 2026213No prior observation