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Contract OI history

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Jan 21, 2028 EXPIRATION

BKR $43.00 Put

BKR280121P00043000

Latest saved OI122Oct 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 $43.00 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. 122610 2026-10-09: 122 OI2026-10-13: 122 OI2026-10-14: 122 OI2026-10-15: 122 OI2026-10-16: 122 OI2026-10-21: 122 OI2026-10-23: 122 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, 2026Viewing1220
Oct 21, 20261220
Oct 16, 20261220
Oct 15, 20261220
Oct 14, 20261220
Oct 13, 20261220
Oct 09, 2026122No prior observation