OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HAL $35.00 Call

HAL270115C00035000

Latest saved OI15,608Oct 23, 2026
Last change-70vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $35.00 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. 15,8727,9360 2026-10-02: 15,872 OI2026-10-05: 15,872 OI2026-10-06: 15,870 OI2026-10-07: 15,863 OI2026-10-08: 15,863 OI2026-10-09: 15,857 OI2026-10-13: 15,860 OI2026-10-14: 15,718 OI2026-10-15: 15,734 OI2026-10-16: 15,732 OI2026-10-21: 15,678 OI2026-10-23: 15,608 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, 2026Viewing15,608-70
Oct 21, 202615,678-54
Oct 16, 202615,732-2
Oct 15, 202615,734+16
Oct 14, 202615,718-142
Oct 13, 202615,860+3
Oct 09, 202615,857-6
Oct 08, 202615,8630
Oct 07, 202615,863-7
Oct 06, 202615,870-2
Oct 05, 202615,8720
Oct 02, 202615,872No prior observation