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Contract OI history

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Jan 21, 2028 EXPIRATION

ACB $10.00 Call

ACB280121C00010000

Latest saved OI371Oct 20, 2026
Last change+1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACB $10.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 3711850 2026-10-09: 369 OI2026-10-13: 369 OI2026-10-14: 369 OI2026-10-15: 370 OI2026-10-16: 370 OI2026-10-20: 371 OI Oct 09, 2026Oct 20, 2026

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

ACB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing371+1
Oct 16, 20263700
Oct 15, 2026370+1
Oct 14, 20263690
Oct 13, 20263690
Oct 09, 2026369No prior observation