OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

ALT $4.00 Call

ALT290119C00004000

Latest saved OI16Oct 20, 2026
Last change0vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALT $4.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 1680 2026-10-09: 16 OI2026-10-13: 16 OI2026-10-14: 16 OI2026-10-16: 16 OI2026-10-20: 16 OI Oct 09, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ALT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing160
Oct 16, 2026160
Oct 14, 2026160
Oct 13, 2026160
Oct 09, 202616No prior observation