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Contract OI history

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Mar 19, 2027 EXPIRATION

BKR $55.00 Put

BKR270319P00055000

Latest saved OI458Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BKR $55.00 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. 4582290 2026-10-09: 418 OI2026-10-13: 436 OI2026-10-14: 436 OI2026-10-15: 436 OI2026-10-16: 441 OI2026-10-21: 448 OI2026-10-23: 458 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, 2026Viewing458+10
Oct 21, 2026448+7
Oct 16, 2026441+5
Oct 15, 20264360
Oct 14, 20264360
Oct 13, 2026436+18
Oct 09, 2026418No prior observation