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Contract OI history

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Jan 15, 2027 EXPIRATION

ACB $4.00 Put

ACB270115P00004000

Latest saved OI268Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACB $4.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 2681340 2026-10-09: 264 OI2026-10-13: 264 OI2026-10-14: 264 OI2026-10-15: 264 OI2026-10-16: 268 OI2026-10-20: 268 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, 2026Viewing2680
Oct 16, 2026268+4
Oct 15, 20262640
Oct 14, 20262640
Oct 13, 20262640
Oct 09, 2026264No prior observation