OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

HAL $25.00 Call

HAL280121C00025000

Latest saved OI499Oct 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. 5592790 2026-10-02: 558 OI2026-10-05: 558 OI2026-10-06: 559 OI2026-10-07: 559 OI2026-10-08: 559 OI2026-10-09: 559 OI2026-10-13: 559 OI2026-10-14: 559 OI2026-10-15: 504 OI2026-10-16: 504 OI2026-10-21: 499 OI2026-10-23: 499 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, 2026Viewing4990
Oct 21, 2026499-5
Oct 16, 20265040
Oct 15, 2026504-55
Oct 14, 20265590
Oct 13, 20265590
Oct 09, 20265590
Oct 08, 20265590
Oct 07, 20265590
Oct 06, 2026559+1
Oct 05, 20265580
Oct 02, 2026558No prior observation