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Contract OI history

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Dec 18, 2026 EXPIRATION

HCA $455.00 Call

HCA261218C00455000

Latest saved OI123Oct 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 $455.00 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. 125620 2026-10-02: 17 OI2026-10-05: 124 OI2026-10-06: 124 OI2026-10-07: 124 OI2026-10-08: 124 OI2026-10-09: 125 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-15: 124 OI2026-10-16: 123 OI2026-10-21: 123 OI2026-10-23: 123 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, 2026Viewing1230
Oct 21, 20261230
Oct 16, 2026123-1
Oct 15, 20261240
Oct 14, 20261240
Oct 13, 2026124-1
Oct 09, 2026125+1
Oct 08, 20261240
Oct 07, 20261240
Oct 06, 20261240
Oct 05, 2026124+107
Oct 02, 202617No prior observation