OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

HAL $42.00 Call

HAL270319C00042000

Latest saved OI1,211Oct 23, 2026
Last change0vs 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. 1,2116050 2026-10-02: 1,206 OI2026-10-05: 1,202 OI2026-10-06: 1,204 OI2026-10-07: 1,204 OI2026-10-08: 1,204 OI2026-10-09: 1,204 OI2026-10-13: 1,208 OI2026-10-14: 1,208 OI2026-10-15: 1,208 OI2026-10-16: 1,208 OI2026-10-21: 1,211 OI2026-10-23: 1,211 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, 2026Viewing1,2110
Oct 21, 20261,211+3
Oct 16, 20261,2080
Oct 15, 20261,2080
Oct 14, 20261,2080
Oct 13, 20261,208+4
Oct 09, 20261,2040
Oct 08, 20261,2040
Oct 07, 20261,2040
Oct 06, 20261,204+2
Oct 05, 20261,202-4
Oct 02, 20261,206No prior observation