OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

HAL $38.00 Call

HAL261120C00038000

Latest saved OI2,672Oct 23, 2026
Last change+24vs 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. 2,6721,3360 2026-10-02: 2,457 OI2026-10-05: 2,518 OI2026-10-06: 2,524 OI2026-10-07: 2,533 OI2026-10-08: 2,533 OI2026-10-09: 2,575 OI2026-10-13: 2,576 OI2026-10-14: 2,581 OI2026-10-15: 2,600 OI2026-10-16: 2,599 OI2026-10-21: 2,648 OI2026-10-23: 2,672 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, 2026Viewing2,672+24
Oct 21, 20262,648+49
Oct 16, 20262,599-1
Oct 15, 20262,600+19
Oct 14, 20262,581+5
Oct 13, 20262,576+1
Oct 09, 20262,575+42
Oct 08, 20262,5330
Oct 07, 20262,533+9
Oct 06, 20262,524+6
Oct 05, 20262,518+61
Oct 02, 20262,457No prior observation