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Contract OI history

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Oct 23, 2026 EXPIRATION

HAL $35.00 Call

HAL261023C00035000

Latest saved OI1,638Oct 23, 2026
Last change+121vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $35.00 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. 1,6388190 2026-10-02: 130 OI2026-10-05: 131 OI2026-10-06: 132 OI2026-10-07: 123 OI2026-10-08: 123 OI2026-10-09: 140 OI2026-10-13: 189 OI2026-10-14: 450 OI2026-10-15: 465 OI2026-10-16: 498 OI2026-10-21: 1,517 OI2026-10-23: 1,638 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, 2026Viewing1,638+121
Oct 21, 20261,517+1,019
Oct 16, 2026498+33
Oct 15, 2026465+15
Oct 14, 2026450+261
Oct 13, 2026189+49
Oct 09, 2026140+17
Oct 08, 20261230
Oct 07, 2026123-9
Oct 06, 2026132+1
Oct 05, 2026131+1
Oct 02, 2026130No prior observation