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Contract OI history

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Nov 20, 2026 EXPIRATION

BLDR $70.00 Put

BLDR261120P00070000

Latest saved OI376Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLDR $70.00 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. 3871930 2026-10-02: 260 OI2026-10-05: 260 OI2026-10-06: 260 OI2026-10-07: 259 OI2026-10-08: 259 OI2026-10-09: 258 OI2026-10-13: 387 OI2026-10-14: 387 OI2026-10-15: 377 OI2026-10-16: 377 OI2026-10-21: 377 OI2026-10-23: 376 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, 2026Viewing376-1
Oct 21, 20263770
Oct 16, 20263770
Oct 15, 2026377-10
Oct 14, 20263870
Oct 13, 2026387+129
Oct 09, 2026258-1
Oct 08, 20262590
Oct 07, 2026259-1
Oct 06, 20262600
Oct 05, 20262600
Oct 02, 2026260No prior observation