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Contract OI history

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Oct 30, 2026 EXPIRATION

PBR $21.50 Put

PBR261030P00021500

Latest saved OI4,051Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PBR $21.50 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. 4,0532,0260 2026-10-02: 142 OI2026-10-05: 150 OI2026-10-06: 1,738 OI2026-10-07: 1,658 OI2026-10-08: 1,658 OI2026-10-09: 1,658 OI2026-10-13: 1,658 OI2026-10-14: 1,658 OI2026-10-15: 1,658 OI2026-10-16: 3,930 OI2026-10-21: 4,053 OI2026-10-23: 4,051 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, 2026Viewing4,051-2
Oct 21, 20264,053+123
Oct 16, 20263,930+2,272
Oct 15, 20261,6580
Oct 14, 20261,6580
Oct 13, 20261,6580
Oct 09, 20261,6580
Oct 08, 20261,6580
Oct 07, 20261,658-80
Oct 06, 20261,738+1,588
Oct 05, 2026150+8
Oct 02, 2026142No prior observation