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Contract OI history

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Dec 18, 2026 EXPIRATION

BKR $55.00 Call

BKR261218C00055000

Latest saved OI991Oct 23, 2026
Last change-773vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BKR $55.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,7648820 2026-10-09: 1,731 OI2026-10-13: 1,741 OI2026-10-14: 1,741 OI2026-10-15: 1,741 OI2026-10-16: 1,755 OI2026-10-21: 1,764 OI2026-10-23: 991 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, 2026Viewing991-773
Oct 21, 20261,764+9
Oct 16, 20261,755+14
Oct 15, 20261,7410
Oct 14, 20261,7410
Oct 13, 20261,741+10
Oct 09, 20261,731No prior observation