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Contract OI history

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Dec 18, 2026 EXPIRATION

BLDR $155.00 Call

BLDR261218C00155000

Latest saved OI59Oct 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 $155.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 59290 2026-10-02: 59 OI2026-10-05: 59 OI2026-10-06: 59 OI2026-10-07: 59 OI2026-10-08: 59 OI2026-10-09: 59 OI2026-10-13: 59 OI2026-10-14: 59 OI2026-10-15: 59 OI2026-10-16: 59 OI2026-10-21: 59 OI2026-10-23: 59 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, 2026Viewing590
Oct 21, 2026590
Oct 16, 2026590
Oct 15, 2026590
Oct 14, 2026590
Oct 13, 2026590
Oct 09, 2026590
Oct 08, 2026590
Oct 07, 2026590
Oct 06, 2026590
Oct 05, 2026590
Oct 02, 202659No prior observation