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Contract OI history

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Oct 30, 2026 EXPIRATION

ACI $13.00 Put

ACI261030P00013000

Latest saved OI159Oct 23, 2026
Last change0vs 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. 159790 2026-10-02: 0 OI2026-10-05: 3 OI2026-10-06: 5 OI2026-10-07: 5 OI2026-10-08: 5 OI2026-10-09: 5 OI2026-10-13: 105 OI2026-10-14: 105 OI2026-10-15: 105 OI2026-10-16: 143 OI2026-10-21: 159 OI2026-10-23: 159 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, 2026Viewing1590
Oct 21, 2026159+16
Oct 16, 2026143+38
Oct 15, 20261050
Oct 14, 20261050
Oct 13, 2026105+100
Oct 09, 202650
Oct 08, 202650
Oct 07, 202650
Oct 06, 20265+2
Oct 05, 20263+3
Oct 02, 20260No prior observation