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Contract OI history

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Dec 18, 2026 EXPIRATION

BKR $37.00 Put

BKR261218P00037000

Latest saved OI825Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BKR $37.00 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. 8254120 2026-10-09: 825 OI2026-10-13: 825 OI2026-10-14: 825 OI2026-10-15: 825 OI2026-10-16: 825 OI2026-10-21: 825 OI2026-10-23: 825 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, 2026Viewing8250
Oct 21, 20268250
Oct 16, 20268250
Oct 15, 20268250
Oct 14, 20268250
Oct 13, 20268250
Oct 09, 2026825No prior observation