OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

HAL $42.00 Call

HAL261218C00042000

Latest saved OI7,421Oct 23, 2026
Last change+315vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $42.00 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. 7,4213,7100 2026-10-02: 7,153 OI2026-10-05: 7,152 OI2026-10-06: 7,127 OI2026-10-07: 7,127 OI2026-10-08: 7,127 OI2026-10-09: 7,127 OI2026-10-13: 7,133 OI2026-10-14: 7,100 OI2026-10-15: 7,101 OI2026-10-16: 7,101 OI2026-10-21: 7,106 OI2026-10-23: 7,421 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, 2026Viewing7,421+315
Oct 21, 20267,106+5
Oct 16, 20267,1010
Oct 15, 20267,101+1
Oct 14, 20267,100-33
Oct 13, 20267,133+6
Oct 09, 20267,1270
Oct 08, 20267,1270
Oct 07, 20267,1270
Oct 06, 20267,127-25
Oct 05, 20267,152-1
Oct 02, 20267,153No prior observation