OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

HAL $55.00 Call

HAL280121C00055000

Latest saved OI210Oct 23, 2026
Last change0vs 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. 2101050 2026-10-02: 79 OI2026-10-05: 79 OI2026-10-06: 79 OI2026-10-07: 209 OI2026-10-08: 209 OI2026-10-09: 209 OI2026-10-13: 209 OI2026-10-14: 209 OI2026-10-15: 210 OI2026-10-16: 210 OI2026-10-21: 210 OI2026-10-23: 210 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, 2026Viewing2100
Oct 21, 20262100
Oct 16, 20262100
Oct 15, 2026210+1
Oct 14, 20262090
Oct 13, 20262090
Oct 09, 20262090
Oct 08, 20262090
Oct 07, 2026209+130
Oct 06, 2026790
Oct 05, 2026790
Oct 02, 202679No prior observation