OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $35.00 Call

HAL261218C00035000

Latest saved OI8,589Oct 23, 2026
Last change-272vs 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. 8,8614,4300 2026-10-02: 7,478 OI2026-10-05: 8,656 OI2026-10-06: 8,657 OI2026-10-07: 7,952 OI2026-10-08: 7,952 OI2026-10-09: 8,224 OI2026-10-13: 8,205 OI2026-10-14: 8,242 OI2026-10-15: 8,260 OI2026-10-16: 8,269 OI2026-10-21: 8,861 OI2026-10-23: 8,589 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, 2026Viewing8,589-272
Oct 21, 20268,861+592
Oct 16, 20268,269+9
Oct 15, 20268,260+18
Oct 14, 20268,242+37
Oct 13, 20268,205-19
Oct 09, 20268,224+272
Oct 08, 20267,9520
Oct 07, 20267,952-705
Oct 06, 20268,657+1
Oct 05, 20268,656+1,178
Oct 02, 20267,478No prior observation