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Contract OI history

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Nov 20, 2026 EXPIRATION

BLDR $47.50 Call

BLDR261120C00047500

Latest saved OI15Oct 23, 2026
Last change0vs previous saved observation
Saved market days5Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
BLDR $47.50 call open interest history 5 saved observations from 2026-10-14 to 2026-10-23. Exact values and changes are listed in the table below. 40200 2026-10-14: 0 OI2026-10-15: 40 OI2026-10-16: 40 OI2026-10-21: 15 OI2026-10-23: 15 OI Oct 14, 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, 2026Viewing150
Oct 21, 202615-25
Oct 16, 2026400
Oct 15, 202640+40
Oct 14, 20260No prior observation