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Contract OI history

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Jan 15, 2027 EXPIRATION

BLDR $32.50 Put

BLDR270115P00032500

Latest saved OI82Oct 23, 2026
Last change0vs previous saved observation
Saved market days5Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
BLDR $32.50 put open interest history 5 saved observations from 2026-10-14 to 2026-10-23. Exact values and changes are listed in the table below. 82410 2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 80 OI2026-10-21: 82 OI2026-10-23: 82 OI Oct 14, 2026Oct 23, 2026

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

BLDR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing820
Oct 21, 202682+2
Oct 16, 202680+80
Oct 15, 202600
Oct 14, 20260No prior observation