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Contract OI history

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Nov 20, 2026 EXPIRATION

HPQ $28.00 Put

HPQ261120P00028000

Latest saved OI4,418Oct 23, 2026
Last change+1,518vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HPQ $28.00 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. 4,4182,2090 2026-10-02: 2,577 OI2026-10-05: 2,622 OI2026-10-06: 2,751 OI2026-10-07: 2,762 OI2026-10-08: 2,762 OI2026-10-09: 2,816 OI2026-10-13: 2,858 OI2026-10-14: 2,858 OI2026-10-15: 2,836 OI2026-10-16: 2,856 OI2026-10-21: 2,900 OI2026-10-23: 4,418 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, 2026Viewing4,418+1,518
Oct 21, 20262,900+44
Oct 16, 20262,856+20
Oct 15, 20262,836-22
Oct 14, 20262,8580
Oct 13, 20262,858+42
Oct 09, 20262,816+54
Oct 08, 20262,7620
Oct 07, 20262,762+11
Oct 06, 20262,751+129
Oct 05, 20262,622+45
Oct 02, 20262,577No prior observation