OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

HAL $36.50 Call

HAL261030C00036500

Latest saved OI231Oct 23, 2026
Last change+43vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $36.50 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. 2311150 2026-10-13: 20 OI2026-10-14: 22 OI2026-10-15: 22 OI2026-10-16: 25 OI2026-10-21: 188 OI2026-10-23: 231 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, 2026Viewing231+43
Oct 21, 2026188+163
Oct 16, 202625+3
Oct 15, 2026220
Oct 14, 202622+2
Oct 13, 202620No prior observation