OITracker Cboe delayed data

Contract OI history

Back to ALT

Jan 19, 2029 EXPIRATION

ALT $3.50 Call

ALT290119C00003500

Latest saved OI46Oct 20, 2026
Last change+24vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALT $3.50 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. 46230 2026-10-09: 15 OI2026-10-13: 16 OI2026-10-14: 21 OI2026-10-16: 22 OI2026-10-20: 46 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, 2026Viewing46+24
Oct 16, 202622+1
Oct 14, 202621+5
Oct 13, 202616+1
Oct 09, 202615No prior observation