OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

HAL $33.50 Call

HAL261030C00033500

Latest saved OI509Oct 23, 2026
Last change+80vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $33.50 call open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 5092540 2026-10-13: 0 OI2026-10-14: 3 OI2026-10-15: 14 OI2026-10-16: 19 OI2026-10-21: 429 OI2026-10-23: 509 OI Oct 13, 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, 2026Viewing509+80
Oct 21, 2026429+410
Oct 16, 202619+5
Oct 15, 202614+11
Oct 14, 20263+3
Oct 13, 20260No prior observation