OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

HAL $22.00 Put

HAL280121P00022000

Latest saved OI1,015Oct 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
HAL $22.00 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. 1,0165080 2026-10-02: 1,009 OI2026-10-05: 1,009 OI2026-10-06: 1,009 OI2026-10-07: 1,009 OI2026-10-08: 1,009 OI2026-10-09: 1,009 OI2026-10-13: 1,008 OI2026-10-14: 1,006 OI2026-10-15: 1,006 OI2026-10-16: 1,006 OI2026-10-21: 1,016 OI2026-10-23: 1,015 OI Oct 02, 2026Oct 23, 2026

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

HAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,015-1
Oct 21, 20261,016+10
Oct 16, 20261,0060
Oct 15, 20261,0060
Oct 14, 20261,006-2
Oct 13, 20261,008-1
Oct 09, 20261,0090
Oct 08, 20261,0090
Oct 07, 20261,0090
Oct 06, 20261,0090
Oct 05, 20261,0090
Oct 02, 20261,009No prior observation