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Contract OI history

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Mar 19, 2027 EXPIRATION

HOS $9.00 Call

HOS270319C00009000

Latest saved OI1,382Oct 20, 2026
Last change0vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HOS $9.00 call open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 1,3826910 2026-10-02: 1,021 OI2026-10-05: 1,021 OI2026-10-07: 1,321 OI2026-10-08: 1,321 OI2026-10-09: 1,321 OI2026-10-13: 1,381 OI2026-10-14: 1,382 OI2026-10-16: 1,382 OI2026-10-20: 1,382 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, 2026Viewing1,3820
Oct 16, 20261,3820
Oct 14, 20261,382+1
Oct 13, 20261,381+60
Oct 09, 20261,3210
Oct 08, 20261,3210
Oct 07, 20261,321+300
Oct 05, 20261,0210
Oct 02, 20261,021No prior observation