OITracker Cboe delayed data

Contract OI history

Back to HAL

Oct 30, 2026 EXPIRATION

HAL $40.00 Call

HAL261030C00040000

Latest saved OI335Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $40.00 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. 3351670 2026-10-02: 220 OI2026-10-05: 220 OI2026-10-06: 220 OI2026-10-07: 220 OI2026-10-08: 220 OI2026-10-09: 220 OI2026-10-13: 220 OI2026-10-14: 222 OI2026-10-15: 322 OI2026-10-16: 325 OI2026-10-21: 325 OI2026-10-23: 335 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, 2026Viewing335+10
Oct 21, 20263250
Oct 16, 2026325+3
Oct 15, 2026322+100
Oct 14, 2026222+2
Oct 13, 20262200
Oct 09, 20262200
Oct 08, 20262200
Oct 07, 20262200
Oct 06, 20262200
Oct 05, 20262200
Oct 02, 2026220No prior observation