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Contract OI history

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Nov 20, 2026 EXPIRATION

BKR $45.00 Put

BKR261120P00045000

Latest saved OI171Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BKR $45.00 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. 171850 2026-10-09: 140 OI2026-10-13: 153 OI2026-10-14: 153 OI2026-10-15: 153 OI2026-10-16: 155 OI2026-10-21: 170 OI2026-10-23: 171 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, 2026Viewing171+1
Oct 21, 2026170+15
Oct 16, 2026155+2
Oct 15, 20261530
Oct 14, 20261530
Oct 13, 2026153+13
Oct 09, 2026140No prior observation