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Contract OI history

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Dec 18, 2026 EXPIRATION

BKR $55.00 Put

BKR261218P00055000

Latest saved OI834Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BKR $55.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8344170 2026-10-09: 809 OI2026-10-13: 829 OI2026-10-14: 829 OI2026-10-15: 829 OI2026-10-16: 825 OI2026-10-21: 827 OI2026-10-23: 834 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing834+7
Oct 21, 2026827+2
Oct 16, 2026825-4
Oct 15, 20268290
Oct 14, 20268290
Oct 13, 2026829+20
Oct 09, 2026809No prior observation