OITracker Cboe delayed data

Contract OI history

Back to BLDR

Jan 21, 2028 EXPIRATION

BLDR $180.00 Call

BLDR280121C00180000

Latest saved OI957Oct 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 $180.00 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. 9574780 2026-10-02: 957 OI2026-10-05: 957 OI2026-10-06: 957 OI2026-10-07: 957 OI2026-10-08: 957 OI2026-10-09: 957 OI2026-10-13: 957 OI2026-10-14: 957 OI2026-10-15: 957 OI2026-10-16: 957 OI2026-10-21: 957 OI2026-10-23: 957 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, 2026Viewing9570
Oct 21, 20269570
Oct 16, 20269570
Oct 15, 20269570
Oct 14, 20269570
Oct 13, 20269570
Oct 09, 20269570
Oct 08, 20269570
Oct 07, 20269570
Oct 06, 20269570
Oct 05, 20269570
Oct 02, 2026957No prior observation