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Contract OI history

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Oct 23, 2026 EXPIRATION

HLF $13.50 Put

HLF261023P00013500

Latest saved OI28Oct 20, 2026
Last change+2vs previous saved observation
Saved market days8Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
HLF $13.50 put open interest history 8 saved observations from 2026-10-05 to 2026-10-20. Exact values and changes are listed in the table below. 28140 2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-09: 0 OI2026-10-13: 26 OI2026-10-14: 26 OI2026-10-16: 26 OI2026-10-20: 28 OI Oct 05, 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, 2026Viewing28+2
Oct 16, 2026260
Oct 14, 2026260
Oct 13, 202626+26
Oct 09, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 20260No prior observation