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Contract OI history

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Jan 21, 2028 EXPIRATION

BKKT $15.00 Call

BKKT280121C00015000

Latest saved OI228Oct 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 $15.00 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. 2281140 2026-10-02: 228 OI2026-10-05: 228 OI2026-10-06: 228 OI2026-10-07: 228 OI2026-10-08: 228 OI2026-10-09: 228 OI2026-10-13: 228 OI2026-10-14: 228 OI2026-10-16: 228 OI2026-10-20: 228 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, 2026Viewing2280
Oct 16, 20262280
Oct 14, 20262280
Oct 13, 20262280
Oct 09, 20262280
Oct 08, 20262280
Oct 07, 20262280
Oct 06, 20262280
Oct 05, 20262280
Oct 02, 2026228No prior observation