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Contract OI history

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Nov 20, 2026 EXPIRATION

BLDR $70.00 Call

BLDR261120C00070000

Latest saved OI615Oct 23, 2026
Last change+47vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLDR $70.00 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. 6153070 2026-10-02: 502 OI2026-10-05: 486 OI2026-10-06: 486 OI2026-10-07: 487 OI2026-10-08: 430 OI2026-10-09: 531 OI2026-10-13: 524 OI2026-10-14: 505 OI2026-10-15: 505 OI2026-10-16: 505 OI2026-10-21: 568 OI2026-10-23: 615 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, 2026Viewing615+47
Oct 21, 2026568+63
Oct 16, 20265050
Oct 15, 20265050
Oct 14, 2026505-19
Oct 13, 2026524-7
Oct 09, 2026531+101
Oct 08, 2026430-57
Oct 07, 2026487+1
Oct 06, 20264860
Oct 05, 2026486-16
Oct 02, 2026502No prior observation