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Contract OI history

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Dec 18, 2026 EXPIRATION

HLF $12.50 Call

HLF261218C00012500

Latest saved OI3,080Oct 20, 2026
Last change0vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HLF $12.50 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. 3,0811,5400 2026-10-02: 3,065 OI2026-10-05: 3,080 OI2026-10-06: 3,080 OI2026-10-07: 3,080 OI2026-10-09: 3,080 OI2026-10-13: 3,081 OI2026-10-14: 3,080 OI2026-10-16: 3,080 OI2026-10-20: 3,080 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, 2026Viewing3,0800
Oct 16, 20263,0800
Oct 14, 20263,080-1
Oct 13, 20263,081+1
Oct 09, 20263,0800
Oct 07, 20263,0800
Oct 06, 20263,0800
Oct 05, 20263,080+15
Oct 02, 20263,065No prior observation