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Contract OI history

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Nov 20, 2026 EXPIRATION

PBR $20.50 Put

PBR261120P00020500

Latest saved OI438Oct 23, 2026
Last change+431vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
PBR $20.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 4382190 2026-10-21: 7 OI2026-10-23: 438 OI Oct 21, 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, 2026Viewing438+431
Oct 21, 20267No prior observation