OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HAL $39.00 Call

HAL270115C00039000

Latest saved OI901Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $39.00 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. 9024510 2026-10-02: 510 OI2026-10-05: 809 OI2026-10-06: 848 OI2026-10-07: 848 OI2026-10-08: 848 OI2026-10-09: 848 OI2026-10-13: 895 OI2026-10-14: 895 OI2026-10-15: 895 OI2026-10-16: 899 OI2026-10-21: 902 OI2026-10-23: 901 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, 2026Viewing901-1
Oct 21, 2026902+3
Oct 16, 2026899+4
Oct 15, 20268950
Oct 14, 20268950
Oct 13, 2026895+47
Oct 09, 20268480
Oct 08, 20268480
Oct 07, 20268480
Oct 06, 2026848+39
Oct 05, 2026809+299
Oct 02, 2026510No prior observation