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Contract OI history

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Jan 21, 2028 EXPIRATION

HLF $7.50 Call

HLF280121C00007500

Latest saved OI471Oct 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 $7.50 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. 4712350 2026-10-02: 471 OI2026-10-05: 471 OI2026-10-06: 471 OI2026-10-07: 471 OI2026-10-09: 471 OI2026-10-13: 471 OI2026-10-14: 471 OI2026-10-16: 471 OI2026-10-20: 471 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, 2026Viewing4710
Oct 16, 20264710
Oct 14, 20264710
Oct 13, 20264710
Oct 09, 20264710
Oct 07, 20264710
Oct 06, 20264710
Oct 05, 20264710
Oct 02, 2026471No prior observation