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Contract OI history

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Nov 20, 2026 EXPIRATION

BLDR $65.00 Put

BLDR261120P00065000

Latest saved OI294Oct 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 $65.00 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. 3081540 2026-10-02: 308 OI2026-10-05: 307 OI2026-10-06: 307 OI2026-10-07: 307 OI2026-10-08: 305 OI2026-10-09: 304 OI2026-10-13: 305 OI2026-10-14: 305 OI2026-10-15: 300 OI2026-10-16: 299 OI2026-10-21: 299 OI2026-10-23: 294 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, 2026Viewing294-5
Oct 21, 20262990
Oct 16, 2026299-1
Oct 15, 2026300-5
Oct 14, 20263050
Oct 13, 2026305+1
Oct 09, 2026304-1
Oct 08, 2026305-2
Oct 07, 20263070
Oct 06, 20263070
Oct 05, 2026307-1
Oct 02, 2026308No prior observation