OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

HAL $40.00 Call

HAL261120C00040000

Latest saved OI594Oct 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 $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. 6483240 2026-10-02: 603 OI2026-10-05: 603 OI2026-10-06: 629 OI2026-10-07: 629 OI2026-10-08: 629 OI2026-10-09: 629 OI2026-10-13: 628 OI2026-10-14: 621 OI2026-10-15: 648 OI2026-10-16: 647 OI2026-10-21: 594 OI2026-10-23: 594 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, 2026Viewing5940
Oct 21, 2026594-53
Oct 16, 2026647-1
Oct 15, 2026648+27
Oct 14, 2026621-7
Oct 13, 2026628-1
Oct 09, 20266290
Oct 08, 20266290
Oct 07, 20266290
Oct 06, 2026629+26
Oct 05, 20266030
Oct 02, 2026603No prior observation