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Contract OI history

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Dec 18, 2026 EXPIRATION

HLF $12.50 Put

HLF261218P00012500

Latest saved OI4,164Oct 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 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. 4,1842,0920 2026-10-02: 4,184 OI2026-10-05: 4,184 OI2026-10-06: 4,184 OI2026-10-07: 4,184 OI2026-10-09: 4,184 OI2026-10-13: 4,164 OI2026-10-14: 4,164 OI2026-10-16: 4,164 OI2026-10-20: 4,164 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, 2026Viewing4,1640
Oct 16, 20264,1640
Oct 14, 20264,1640
Oct 13, 20264,164-20
Oct 09, 20264,1840
Oct 07, 20264,1840
Oct 06, 20264,1840
Oct 05, 20264,1840
Oct 02, 20264,184No prior observation