OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $32.00 Put

HAL261218P00032000

Latest saved OI332Oct 23, 2026
Last change+280vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $32.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 3321660 2026-10-15: 0 OI2026-10-16: 11 OI2026-10-21: 52 OI2026-10-23: 332 OI Oct 15, 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, 2026Viewing332+280
Oct 21, 202652+41
Oct 16, 202611+11
Oct 15, 20260No prior observation