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Contract OI history

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Jan 21, 2028 EXPIRATION

BKKT $5.00 Put

BKKT280121P00005000

Latest saved OI45Oct 20, 2026
Last change+39vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BKKT $5.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 45220 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 4 OI2026-10-16: 6 OI2026-10-20: 45 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, 2026Viewing45+39
Oct 16, 20266+2
Oct 14, 20264+2
Oct 13, 202620
Oct 09, 202620
Oct 08, 202620
Oct 07, 202620
Oct 06, 202620
Oct 05, 202620
Oct 02, 20262No prior observation