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Contract OI history

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Jan 15, 2027 EXPIRATION

HLF $10.00 Put

HLF270115P00010000

Latest saved OI337Oct 20, 2026
Last change+6vs previous saved observation
Saved market days9Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HLF $10.00 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. 3371680 2026-10-02: 320 OI2026-10-05: 320 OI2026-10-06: 320 OI2026-10-07: 320 OI2026-10-09: 318 OI2026-10-13: 331 OI2026-10-14: 331 OI2026-10-16: 331 OI2026-10-20: 337 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, 2026Viewing337+6
Oct 16, 20263310
Oct 14, 20263310
Oct 13, 2026331+13
Oct 09, 2026318-2
Oct 07, 20263200
Oct 06, 20263200
Oct 05, 20263200
Oct 02, 2026320No prior observation