OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $40.00 Call

HAL261218C00040000

Latest saved OI11,079Oct 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 $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. 11,0925,5460 2026-10-02: 11,022 OI2026-10-05: 11,026 OI2026-10-06: 11,028 OI2026-10-07: 11,027 OI2026-10-08: 11,027 OI2026-10-09: 11,019 OI2026-10-13: 11,012 OI2026-10-14: 11,089 OI2026-10-15: 11,092 OI2026-10-16: 11,089 OI2026-10-21: 11,078 OI2026-10-23: 11,079 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, 2026Viewing11,079+1
Oct 21, 202611,078-11
Oct 16, 202611,089-3
Oct 15, 202611,092+3
Oct 14, 202611,089+77
Oct 13, 202611,012-7
Oct 09, 202611,019-8
Oct 08, 202611,0270
Oct 07, 202611,027-1
Oct 06, 202611,028+2
Oct 05, 202611,026+4
Oct 02, 202611,022No prior observation