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Contract OI history

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Oct 23, 2026 EXPIRATION

HLF $4.00 Call

HLF261023C00004000

Latest saved OI121Oct 20, 2026
Last change+4vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HLF $4.00 call open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 121600 2026-10-02: 102 OI2026-10-05: 107 OI2026-10-06: 117 OI2026-10-07: 117 OI2026-10-09: 117 OI2026-10-13: 117 OI2026-10-14: 117 OI2026-10-16: 117 OI2026-10-20: 121 OI Oct 02, 2026Oct 20, 2026

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

HLF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing121+4
Oct 16, 20261170
Oct 14, 20261170
Oct 13, 20261170
Oct 09, 20261170
Oct 07, 20261170
Oct 06, 2026117+10
Oct 05, 2026107+5
Oct 02, 2026102No prior observation