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Contract OI history

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Jan 21, 2028 EXPIRATION

HPQ $20.00 Put

HPQ280121P00020000

Latest saved OI868Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HPQ $20.00 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. 8714350 2026-10-02: 842 OI2026-10-05: 842 OI2026-10-06: 838 OI2026-10-07: 838 OI2026-10-08: 838 OI2026-10-09: 838 OI2026-10-13: 838 OI2026-10-14: 838 OI2026-10-15: 838 OI2026-10-16: 828 OI2026-10-21: 871 OI2026-10-23: 868 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, 2026Viewing868-3
Oct 21, 2026871+43
Oct 16, 2026828-10
Oct 15, 20268380
Oct 14, 20268380
Oct 13, 20268380
Oct 09, 20268380
Oct 08, 20268380
Oct 07, 20268380
Oct 06, 2026838-4
Oct 05, 20268420
Oct 02, 2026842No prior observation