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Contract OI history

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Jan 21, 2028 EXPIRATION

BKKT $28.00 Call

BKKT280121C00028000

Latest saved OI117Oct 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 $28.00 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. 117580 2026-10-02: 117 OI2026-10-05: 117 OI2026-10-06: 117 OI2026-10-07: 117 OI2026-10-08: 117 OI2026-10-09: 117 OI2026-10-13: 117 OI2026-10-14: 117 OI2026-10-16: 117 OI2026-10-20: 117 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, 2026Viewing1170
Oct 16, 20261170
Oct 14, 20261170
Oct 13, 20261170
Oct 09, 20261170
Oct 08, 20261170
Oct 07, 20261170
Oct 06, 20261170
Oct 05, 20261170
Oct 02, 2026117No prior observation