OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

HAL $35.00 Call

HAL261030C00035000

Latest saved OI412Oct 23, 2026
Last change-176vs 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. 5882940 2026-10-02: 174 OI2026-10-05: 200 OI2026-10-06: 347 OI2026-10-07: 352 OI2026-10-08: 352 OI2026-10-09: 354 OI2026-10-13: 361 OI2026-10-14: 370 OI2026-10-15: 366 OI2026-10-16: 365 OI2026-10-21: 588 OI2026-10-23: 412 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, 2026Viewing412-176
Oct 21, 2026588+223
Oct 16, 2026365-1
Oct 15, 2026366-4
Oct 14, 2026370+9
Oct 13, 2026361+7
Oct 09, 2026354+2
Oct 08, 20263520
Oct 07, 2026352+5
Oct 06, 2026347+147
Oct 05, 2026200+26
Oct 02, 2026174No prior observation