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Contract OI history

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Dec 18, 2026 EXPIRATION

BKR $50.00 Put

BKR261218P00050000

Latest saved OI517Oct 23, 2026
Last change+71vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BKR $50.00 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. 5172580 2026-10-09: 410 OI2026-10-13: 425 OI2026-10-14: 444 OI2026-10-15: 444 OI2026-10-16: 447 OI2026-10-21: 446 OI2026-10-23: 517 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, 2026Viewing517+71
Oct 21, 2026446-1
Oct 16, 2026447+3
Oct 15, 20264440
Oct 14, 2026444+19
Oct 13, 2026425+15
Oct 09, 2026410No prior observation