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Contract OI history

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Jan 15, 2027 EXPIRATION

BLDR $50.00 Put

BLDR270115P00050000

Latest saved OI474Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLDR $50.00 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. 4802400 2026-10-02: 408 OI2026-10-05: 410 OI2026-10-06: 410 OI2026-10-07: 411 OI2026-10-08: 402 OI2026-10-09: 402 OI2026-10-13: 406 OI2026-10-14: 480 OI2026-10-15: 477 OI2026-10-16: 476 OI2026-10-21: 464 OI2026-10-23: 474 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, 2026Viewing474+10
Oct 21, 2026464-12
Oct 16, 2026476-1
Oct 15, 2026477-3
Oct 14, 2026480+74
Oct 13, 2026406+4
Oct 09, 20264020
Oct 08, 2026402-9
Oct 07, 2026411+1
Oct 06, 20264100
Oct 05, 2026410+2
Oct 02, 2026408No prior observation