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Contract OI history

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Dec 18, 2026 EXPIRATION

ALTI $2.50 Call

ALTI261218C00002500

Latest saved OI401Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ALTI $2.50 call open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 4012000 2026-10-08: 13 OI2026-10-09: 13 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-16: 401 OI2026-10-20: 401 OI Oct 08, 2026Oct 20, 2026

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

ALTI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing4010
Oct 16, 2026401+388
Oct 14, 2026130
Oct 13, 2026130
Oct 09, 2026130
Oct 08, 202613No prior observation