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Contract OI history

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Jan 21, 2028 EXPIRATION

BLDR $70.00 Call

BLDR280121C00070000

Latest saved OI941Oct 23, 2026
Last change-2vs 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. 9434710 2026-10-02: 346 OI2026-10-05: 839 OI2026-10-06: 839 OI2026-10-07: 839 OI2026-10-08: 839 OI2026-10-09: 839 OI2026-10-13: 840 OI2026-10-14: 842 OI2026-10-15: 842 OI2026-10-16: 842 OI2026-10-21: 943 OI2026-10-23: 941 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, 2026Viewing941-2
Oct 21, 2026943+101
Oct 16, 20268420
Oct 15, 20268420
Oct 14, 2026842+2
Oct 13, 2026840+1
Oct 09, 20268390
Oct 08, 20268390
Oct 07, 20268390
Oct 06, 20268390
Oct 05, 2026839+493
Oct 02, 2026346No prior observation