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Contract OI history

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Dec 18, 2026 EXPIRATION

BLDR $45.00 Put

BLDR261218P00045000

Latest saved OI372Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLDR $45.00 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. 3721860 2026-10-02: 48 OI2026-10-05: 285 OI2026-10-06: 285 OI2026-10-07: 285 OI2026-10-08: 269 OI2026-10-09: 272 OI2026-10-13: 271 OI2026-10-14: 366 OI2026-10-15: 368 OI2026-10-16: 368 OI2026-10-21: 367 OI2026-10-23: 372 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, 2026Viewing372+5
Oct 21, 2026367-1
Oct 16, 20263680
Oct 15, 2026368+2
Oct 14, 2026366+95
Oct 13, 2026271-1
Oct 09, 2026272+3
Oct 08, 2026269-16
Oct 07, 20262850
Oct 06, 20262850
Oct 05, 2026285+237
Oct 02, 202648No prior observation