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Contract OI history

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Nov 20, 2026 EXPIRATION

HCA $450.00 Call

HCA261120C00450000

Latest saved OI133Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HCA $450.00 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. 135670 2026-10-02: 76 OI2026-10-05: 76 OI2026-10-06: 80 OI2026-10-07: 83 OI2026-10-08: 127 OI2026-10-09: 131 OI2026-10-13: 135 OI2026-10-14: 135 OI2026-10-15: 134 OI2026-10-16: 135 OI2026-10-21: 133 OI2026-10-23: 133 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, 20261330
Oct 21, 2026Viewing133-2
Oct 16, 2026135+1
Oct 15, 2026134-1
Oct 14, 20261350
Oct 13, 2026135+4
Oct 09, 2026131+4
Oct 08, 2026127+44
Oct 07, 202683+3
Oct 06, 202680+4
Oct 05, 2026760
Oct 02, 202676No prior observation