OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HAL $25.00 Call

HAL270115C00025000

Latest saved OI4,022Oct 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 $25.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,0292,0140 2026-10-02: 4,029 OI2026-10-05: 4,029 OI2026-10-06: 4,029 OI2026-10-07: 4,029 OI2026-10-08: 4,029 OI2026-10-09: 4,029 OI2026-10-13: 4,028 OI2026-10-14: 4,024 OI2026-10-15: 4,024 OI2026-10-16: 4,024 OI2026-10-21: 4,022 OI2026-10-23: 4,022 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, 2026Viewing4,0220
Oct 21, 20264,022-2
Oct 16, 20264,0240
Oct 15, 20264,0240
Oct 14, 20264,024-4
Oct 13, 20264,028-1
Oct 09, 20264,0290
Oct 08, 20264,0290
Oct 07, 20264,0290
Oct 06, 20264,0290
Oct 05, 20264,0290
Oct 02, 20264,029No prior observation