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Contract OI history

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Jan 21, 2028 EXPIRATION

HLF $7.50 Put

HLF280121P00007500

Latest saved OI515Oct 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 put open interest history 9 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 5152570 2026-10-02: 515 OI2026-10-05: 515 OI2026-10-06: 515 OI2026-10-07: 515 OI2026-10-09: 515 OI2026-10-13: 515 OI2026-10-14: 515 OI2026-10-16: 515 OI2026-10-20: 515 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, 2026Viewing5150
Oct 16, 20265150
Oct 14, 20265150
Oct 13, 20265150
Oct 09, 20265150
Oct 07, 20265150
Oct 06, 20265150
Oct 05, 20265150
Oct 02, 2026515No prior observation