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Contract OI history

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Jan 15, 2027 EXPIRATION

ACI $11.00 Put

ACI270115P00011000

Latest saved OI815Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACI $11.00 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. 9154570 2026-10-02: 897 OI2026-10-05: 904 OI2026-10-06: 912 OI2026-10-07: 915 OI2026-10-08: 915 OI2026-10-09: 914 OI2026-10-13: 876 OI2026-10-14: 876 OI2026-10-15: 876 OI2026-10-16: 876 OI2026-10-21: 817 OI2026-10-23: 815 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, 2026Viewing815-2
Oct 21, 2026817-59
Oct 16, 20268760
Oct 15, 20268760
Oct 14, 20268760
Oct 13, 2026876-38
Oct 09, 2026914-1
Oct 08, 20269150
Oct 07, 2026915+3
Oct 06, 2026912+8
Oct 05, 2026904+7
Oct 02, 2026897No prior observation