OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $41.00 Call

HAL261218C00041000

Latest saved OI15Oct 23, 2026
Last change0vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $41.00 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 1570 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 15 OI2026-10-23: 15 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, 2026Viewing150
Oct 21, 202615+15
Oct 16, 202600
Oct 15, 20260No prior observation