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Contract OI history

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Dec 18, 2026 EXPIRATION

HLF $22.50 Call

HLF261218C00022500

Latest saved OI439Oct 20, 2026
Last change+1vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HLF $22.50 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. 4392190 2026-10-02: 438 OI2026-10-05: 438 OI2026-10-06: 438 OI2026-10-07: 438 OI2026-10-09: 438 OI2026-10-13: 438 OI2026-10-14: 438 OI2026-10-16: 438 OI2026-10-20: 439 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, 2026Viewing439+1
Oct 16, 20264380
Oct 14, 20264380
Oct 13, 20264380
Oct 09, 20264380
Oct 07, 20264380
Oct 06, 20264380
Oct 05, 20264380
Oct 02, 2026438No prior observation