OITracker Cboe delayed data

Contract OI history

Back to BLDR

Jan 21, 2028 EXPIRATION

BLDR $70.00 Put

BLDR280121P00070000

Latest saved OI511Oct 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 $70.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5112550 2026-10-02: 78 OI2026-10-05: 511 OI2026-10-06: 511 OI2026-10-07: 511 OI2026-10-08: 511 OI2026-10-09: 511 OI2026-10-13: 511 OI2026-10-14: 511 OI2026-10-15: 511 OI2026-10-16: 511 OI2026-10-21: 511 OI2026-10-23: 511 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, 2026Viewing5110
Oct 21, 20265110
Oct 16, 20265110
Oct 15, 20265110
Oct 14, 20265110
Oct 13, 20265110
Oct 09, 20265110
Oct 08, 20265110
Oct 07, 20265110
Oct 06, 20265110
Oct 05, 2026511+433
Oct 02, 202678No prior observation