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Contract OI history

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Dec 18, 2026 EXPIRATION

BLDR $80.00 Put

BLDR261218P00080000

Latest saved OI215Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLDR $80.00 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. 2591290 2026-10-02: 81 OI2026-10-05: 81 OI2026-10-06: 81 OI2026-10-07: 161 OI2026-10-08: 161 OI2026-10-09: 160 OI2026-10-13: 259 OI2026-10-14: 230 OI2026-10-15: 215 OI2026-10-16: 215 OI2026-10-21: 215 OI2026-10-23: 215 OI Oct 02, 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, 2026Viewing2150
Oct 21, 20262150
Oct 16, 20262150
Oct 15, 2026215-15
Oct 14, 2026230-29
Oct 13, 2026259+99
Oct 09, 2026160-1
Oct 08, 20261610
Oct 07, 2026161+80
Oct 06, 2026810
Oct 05, 2026810
Oct 02, 202681No prior observation