OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HAL $40.00 Call

HAL270115C00040000

Latest saved OI5,481Oct 23, 2026
Last change-3vs 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. 5,4842,7420 2026-10-02: 5,426 OI2026-10-05: 5,391 OI2026-10-06: 5,391 OI2026-10-07: 5,366 OI2026-10-08: 5,366 OI2026-10-09: 5,317 OI2026-10-13: 5,317 OI2026-10-14: 5,317 OI2026-10-15: 5,309 OI2026-10-16: 5,309 OI2026-10-21: 5,484 OI2026-10-23: 5,481 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, 2026Viewing5,481-3
Oct 21, 20265,484+175
Oct 16, 20265,3090
Oct 15, 20265,309-8
Oct 14, 20265,3170
Oct 13, 20265,3170
Oct 09, 20265,317-49
Oct 08, 20265,3660
Oct 07, 20265,366-25
Oct 06, 20265,3910
Oct 05, 20265,391-35
Oct 02, 20265,426No prior observation