OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HAL $38.00 Call

HAL270115C00038000

Latest saved OI884Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $38.00 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. 8844420 2026-10-02: 562 OI2026-10-05: 571 OI2026-10-06: 654 OI2026-10-07: 684 OI2026-10-08: 684 OI2026-10-09: 739 OI2026-10-13: 812 OI2026-10-14: 821 OI2026-10-15: 822 OI2026-10-16: 822 OI2026-10-21: 879 OI2026-10-23: 884 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, 2026Viewing884+5
Oct 21, 2026879+57
Oct 16, 20268220
Oct 15, 2026822+1
Oct 14, 2026821+9
Oct 13, 2026812+73
Oct 09, 2026739+55
Oct 08, 20266840
Oct 07, 2026684+30
Oct 06, 2026654+83
Oct 05, 2026571+9
Oct 02, 2026562No prior observation