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Contract OI history

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Mar 19, 2027 EXPIRATION

BKR $45.00 Put

BKR270319P00045000

Latest saved OI127Oct 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 $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. 127630 2026-10-09: 126 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 126 OI2026-10-16: 127 OI2026-10-21: 127 OI2026-10-23: 127 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, 2026Viewing1270
Oct 21, 20261270
Oct 16, 2026127+1
Oct 15, 20261260
Oct 14, 20261260
Oct 13, 20261260
Oct 09, 2026126No prior observation