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Contract OI history

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Jan 15, 2027 EXPIRATION

BKKT $20.00 Put

BKKT270115P00020000

Latest saved OI52Oct 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 $20.00 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. 54270 2026-10-02: 54 OI2026-10-05: 54 OI2026-10-06: 54 OI2026-10-07: 54 OI2026-10-08: 54 OI2026-10-09: 54 OI2026-10-13: 54 OI2026-10-14: 54 OI2026-10-16: 52 OI2026-10-20: 52 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, 2026Viewing520
Oct 16, 202652-2
Oct 14, 2026540
Oct 13, 2026540
Oct 09, 2026540
Oct 08, 2026540
Oct 07, 2026540
Oct 06, 2026540
Oct 05, 2026540
Oct 02, 202654No prior observation