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Contract OI history

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Mar 19, 2027 EXPIRATION

HOS $8.00 Put

HOS270319P00008000

Latest saved OI181Oct 20, 2026
Last change+1vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HOS $8.00 put open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 181900 2026-10-02: 55 OI2026-10-05: 55 OI2026-10-07: 180 OI2026-10-08: 180 OI2026-10-09: 180 OI2026-10-13: 180 OI2026-10-14: 180 OI2026-10-16: 180 OI2026-10-20: 181 OI Oct 02, 2026Oct 20, 2026

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

HOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing181+1
Oct 16, 20261800
Oct 14, 20261800
Oct 13, 20261800
Oct 09, 20261800
Oct 08, 20261800
Oct 07, 2026180+125
Oct 05, 2026550
Oct 02, 202655No prior observation