OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

HL $20.00 Put

HL280121P00020000

Latest saved OI1,144Oct 23, 2026
Last change0vs 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. 1,1445720 2026-10-02: 978 OI2026-10-05: 978 OI2026-10-06: 1,000 OI2026-10-07: 1,000 OI2026-10-08: 1,000 OI2026-10-09: 1,000 OI2026-10-13: 1,141 OI2026-10-14: 1,141 OI2026-10-15: 1,141 OI2026-10-16: 1,143 OI2026-10-21: 1,144 OI2026-10-23: 1,144 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, 2026Viewing1,1440
Oct 21, 20261,144+1
Oct 16, 20261,143+2
Oct 15, 20261,1410
Oct 14, 20261,1410
Oct 13, 20261,141+141
Oct 09, 20261,0000
Oct 08, 20261,0000
Oct 07, 20261,0000
Oct 06, 20261,000+22
Oct 05, 20269780
Oct 02, 2026978No prior observation