OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HL $20.00 Put

HL261218P00020000

Latest saved OI1,357Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HL $20.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,3576780 2026-10-02: 1,323 OI2026-10-05: 1,324 OI2026-10-06: 1,324 OI2026-10-07: 1,323 OI2026-10-08: 1,323 OI2026-10-09: 1,323 OI2026-10-13: 1,323 OI2026-10-14: 1,323 OI2026-10-15: 1,316 OI2026-10-16: 1,322 OI2026-10-21: 1,356 OI2026-10-23: 1,357 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,357+1
Oct 21, 20261,356+34
Oct 16, 20261,322+6
Oct 15, 20261,316-7
Oct 14, 20261,3230
Oct 13, 20261,3230
Oct 09, 20261,3230
Oct 08, 20261,3230
Oct 07, 20261,323-1
Oct 06, 20261,3240
Oct 05, 20261,324+1
Oct 02, 20261,323No prior observation