OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

HAL $55.00 Call

HAL270319C00055000

Latest saved OI233Oct 23, 2026
Last change-24vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HAL $55.00 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. 2571280 2026-10-02: 257 OI2026-10-05: 257 OI2026-10-06: 257 OI2026-10-07: 257 OI2026-10-08: 257 OI2026-10-09: 257 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-15: 257 OI2026-10-16: 257 OI2026-10-21: 257 OI2026-10-23: 233 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, 2026Viewing233-24
Oct 21, 20262570
Oct 16, 20262570
Oct 15, 20262570
Oct 14, 20262570
Oct 13, 20262570
Oct 09, 20262570
Oct 08, 20262570
Oct 07, 20262570
Oct 06, 20262570
Oct 05, 20262570
Oct 02, 2026257No prior observation