OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $23.00 Put

HAL261218P00023000

Latest saved OI2,652Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $23.00 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. 2,6521,3260 2026-10-02: 2,652 OI2026-10-05: 2,652 OI2026-10-06: 2,652 OI2026-10-07: 2,652 OI2026-10-08: 2,652 OI2026-10-09: 2,652 OI2026-10-13: 2,652 OI2026-10-14: 2,652 OI2026-10-15: 2,652 OI2026-10-16: 2,652 OI2026-10-21: 2,652 OI2026-10-23: 2,652 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, 2026Viewing2,6520
Oct 21, 20262,6520
Oct 16, 20262,6520
Oct 15, 20262,6520
Oct 14, 20262,6520
Oct 13, 20262,6520
Oct 09, 20262,6520
Oct 08, 20262,6520
Oct 07, 20262,6520
Oct 06, 20262,6520
Oct 05, 20262,6520
Oct 02, 20262,652No prior observation