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Contract OI history

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Jan 15, 2027 EXPIRATION

ACI $13.00 Put

ACI270115P00013000

Latest saved OI4,818Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACI $13.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,8182,4090 2026-10-02: 4,639 OI2026-10-05: 4,639 OI2026-10-06: 4,639 OI2026-10-07: 4,639 OI2026-10-08: 4,639 OI2026-10-09: 4,637 OI2026-10-13: 4,560 OI2026-10-14: 4,560 OI2026-10-15: 4,560 OI2026-10-16: 4,509 OI2026-10-21: 4,812 OI2026-10-23: 4,818 OI Oct 02, 2026Oct 23, 2026

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

ACI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,818+6
Oct 21, 20264,812+303
Oct 16, 20264,509-51
Oct 15, 20264,5600
Oct 14, 20264,5600
Oct 13, 20264,560-77
Oct 09, 20264,637-2
Oct 08, 20264,6390
Oct 07, 20264,6390
Oct 06, 20264,6390
Oct 05, 20264,6390
Oct 02, 20264,639No prior observation