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Contract OI history

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Jan 21, 2028 EXPIRATION

BHC $4.00 Put

BHC280121P00004000

Latest saved OI7,621Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHC $4.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7,6223,8110 2026-10-02: 7,621 OI2026-10-05: 7,621 OI2026-10-07: 7,621 OI2026-10-08: 7,621 OI2026-10-09: 7,621 OI2026-10-13: 7,621 OI2026-10-14: 7,621 OI2026-10-16: 7,622 OI2026-10-20: 7,621 OI2026-10-23: 7,621 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BHC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7,6210
Oct 20, 20267,621-1
Oct 16, 20267,622+1
Oct 14, 20267,6210
Oct 13, 20267,6210
Oct 09, 20267,6210
Oct 08, 20267,6210
Oct 07, 20267,6210
Oct 05, 20267,6210
Oct 02, 20267,621No prior observation