OITracker Cboe delayed data

Contract OI history

Back to HCA

Jan 21, 2028 EXPIRATION

HCA $450.00 Call

HCA280121C00450000

Latest saved OI132Oct 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. 132660 2026-10-02: 129 OI2026-10-05: 129 OI2026-10-06: 129 OI2026-10-07: 129 OI2026-10-08: 128 OI2026-10-09: 128 OI2026-10-13: 129 OI2026-10-14: 130 OI2026-10-15: 130 OI2026-10-16: 132 OI2026-10-21: 132 OI2026-10-23: 132 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, 20261320
Oct 21, 2026Viewing1320
Oct 16, 2026132+2
Oct 15, 20261300
Oct 14, 2026130+1
Oct 13, 2026129+1
Oct 09, 20261280
Oct 08, 2026128-1
Oct 07, 20261290
Oct 06, 20261290
Oct 05, 20261290
Oct 02, 2026129No prior observation