OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ALT $4.00 Call

ALT270115C00004000

Latest saved OI10,821Oct 20, 2026
Last change-7vs 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. 10,8285,4140 2026-10-09: 10,393 OI2026-10-13: 10,430 OI2026-10-14: 10,653 OI2026-10-16: 10,828 OI2026-10-20: 10,821 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, 2026Viewing10,821-7
Oct 16, 202610,828+175
Oct 14, 202610,653+223
Oct 13, 202610,430+37
Oct 09, 202610,393No prior observation