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Contract OI history

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Dec 18, 2026 EXPIRATION

HCA $465.00 Call

HCA261218C00465000

Latest saved OI755Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HCA $465.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7553770 2026-10-02: 749 OI2026-10-05: 749 OI2026-10-06: 749 OI2026-10-07: 749 OI2026-10-08: 749 OI2026-10-09: 749 OI2026-10-13: 749 OI2026-10-14: 749 OI2026-10-15: 749 OI2026-10-16: 753 OI2026-10-21: 754 OI2026-10-23: 755 OI Oct 02, 2026Oct 23, 2026

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

HCA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing755+1
Oct 21, 2026754+1
Oct 16, 2026753+4
Oct 15, 20267490
Oct 14, 20267490
Oct 13, 20267490
Oct 09, 20267490
Oct 08, 20267490
Oct 07, 20267490
Oct 06, 20267490
Oct 05, 20267490
Oct 02, 2026749No prior observation