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Contract OI history

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Dec 18, 2026 EXPIRATION

HII $310.00 Call

HII261218C00310000

Latest saved OI13Oct 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
HII $310.00 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. 1360 2026-10-02: 9 OI2026-10-05: 11 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 12 OI2026-10-13: 12 OI2026-10-14: 12 OI2026-10-15: 12 OI2026-10-16: 12 OI2026-10-21: 12 OI2026-10-23: 13 OI Oct 02, 2026Oct 23, 2026

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

HII contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing13+1
Oct 21, 2026120
Oct 16, 2026120
Oct 15, 2026120
Oct 14, 2026120
Oct 13, 2026120
Oct 09, 2026120
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 202612+1
Oct 05, 202611+2
Oct 02, 20269No prior observation