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Contract OI history

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Jan 21, 2028 EXPIRATION

BLDR $120.00 Put

BLDR280121P00120000

Latest saved OI4Oct 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 $120.00 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. 136680 2026-10-02: 135 OI2026-10-05: 136 OI2026-10-06: 136 OI2026-10-07: 136 OI2026-10-08: 120 OI2026-10-09: 120 OI2026-10-13: 120 OI2026-10-14: 119 OI2026-10-15: 4 OI2026-10-16: 4 OI2026-10-21: 4 OI2026-10-23: 4 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, 2026Viewing40
Oct 21, 202640
Oct 16, 202640
Oct 15, 20264-115
Oct 14, 2026119-1
Oct 13, 20261200
Oct 09, 20261200
Oct 08, 2026120-16
Oct 07, 20261360
Oct 06, 20261360
Oct 05, 2026136+1
Oct 02, 2026135No prior observation