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Contract OI history

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Feb 19, 2027 EXPIRATION

HCAT $2.50 Call

HCAT270219C00002500

Latest saved OI1Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
HCAT $2.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 10 2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-16: 1 OI2026-10-20: 1 OI2026-10-23: 1 OI Oct 08, 2026Oct 23, 2026

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

HCAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing10
Oct 20, 202610
Oct 16, 202610
Oct 14, 202610
Oct 13, 202610
Oct 09, 202610
Oct 08, 20261No prior observation