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Contract OI history

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Jan 21, 2028 EXPIRATION

HPQ $18.00 Put

HPQ280121P00018000

Latest saved OI1,458Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HPQ $18.00 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. 1,4747370 2026-10-02: 1,474 OI2026-10-05: 1,474 OI2026-10-06: 1,474 OI2026-10-07: 1,474 OI2026-10-08: 1,474 OI2026-10-09: 1,458 OI2026-10-13: 1,458 OI2026-10-14: 1,458 OI2026-10-15: 1,457 OI2026-10-16: 1,457 OI2026-10-21: 1,458 OI2026-10-23: 1,458 OI Oct 02, 2026Oct 23, 2026

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

HPQ contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,4580
Oct 21, 20261,458+1
Oct 16, 20261,4570
Oct 15, 20261,457-1
Oct 14, 20261,4580
Oct 13, 20261,4580
Oct 09, 20261,458-16
Oct 08, 20261,4740
Oct 07, 20261,4740
Oct 06, 20261,4740
Oct 05, 20261,4740
Oct 02, 20261,474No prior observation