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Contract OI history

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Oct 30, 2026 EXPIRATION

PBR $20.50 Put

PBR261030P00020500

Latest saved OI1,552Oct 23, 2026
Last change+147vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PBR $20.50 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. 1,5527760 2026-10-02: 718 OI2026-10-05: 933 OI2026-10-06: 1,141 OI2026-10-07: 1,140 OI2026-10-08: 1,135 OI2026-10-09: 1,135 OI2026-10-13: 1,135 OI2026-10-14: 1,135 OI2026-10-15: 1,135 OI2026-10-16: 1,135 OI2026-10-21: 1,405 OI2026-10-23: 1,552 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, 2026Viewing1,552+147
Oct 21, 20261,405+270
Oct 16, 20261,1350
Oct 15, 20261,1350
Oct 14, 20261,1350
Oct 13, 20261,1350
Oct 09, 20261,1350
Oct 08, 20261,135-5
Oct 07, 20261,140-1
Oct 06, 20261,141+208
Oct 05, 2026933+215
Oct 02, 2026718No prior observation