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Contract OI history

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Nov 20, 2026 EXPIRATION

BLDR $55.00 Call

BLDR261120C00055000

Latest saved OI1,056Oct 23, 2026
Last change+115vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLDR $55.00 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. 1,0565280 2026-10-02: 38 OI2026-10-05: 68 OI2026-10-06: 68 OI2026-10-07: 202 OI2026-10-08: 202 OI2026-10-09: 207 OI2026-10-13: 209 OI2026-10-14: 223 OI2026-10-15: 223 OI2026-10-16: 918 OI2026-10-21: 941 OI2026-10-23: 1,056 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, 2026Viewing1,056+115
Oct 21, 2026941+23
Oct 16, 2026918+695
Oct 15, 20262230
Oct 14, 2026223+14
Oct 13, 2026209+2
Oct 09, 2026207+5
Oct 08, 20262020
Oct 07, 2026202+134
Oct 06, 2026680
Oct 05, 202668+30
Oct 02, 202638No prior observation