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Contract OI history

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Feb 18, 2028 EXPIRATION

PBR $18.00 Put

PBR280218P00018000

Latest saved OI717Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PBR $18.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7173580 2026-10-02: 316 OI2026-10-05: 316 OI2026-10-06: 364 OI2026-10-07: 364 OI2026-10-08: 362 OI2026-10-09: 367 OI2026-10-13: 368 OI2026-10-14: 369 OI2026-10-15: 376 OI2026-10-16: 377 OI2026-10-21: 697 OI2026-10-23: 717 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PBR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing717+20
Oct 21, 2026697+320
Oct 16, 2026377+1
Oct 15, 2026376+7
Oct 14, 2026369+1
Oct 13, 2026368+1
Oct 09, 2026367+5
Oct 08, 2026362-2
Oct 07, 20263640
Oct 06, 2026364+48
Oct 05, 20263160
Oct 02, 2026316No prior observation