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Contract OI history

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Jan 21, 2028 EXPIRATION

ALT $3.00 Call

ALT280121C00003000

Latest saved OI19,501Oct 20, 2026
Last change+137vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALT $3.00 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. 19,5019,7500 2026-10-09: 19,148 OI2026-10-13: 19,157 OI2026-10-14: 19,187 OI2026-10-16: 19,364 OI2026-10-20: 19,501 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, 2026Viewing19,501+137
Oct 16, 202619,364+177
Oct 14, 202619,187+30
Oct 13, 202619,157+9
Oct 09, 202619,148No prior observation