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Contract OI history

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Nov 20, 2026 EXPIRATION

ACI $12.00 Put

ACI261120P00012000

Latest saved OI240Oct 23, 2026
Last change-13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACI $12.00 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. 2531260 2026-10-02: 122 OI2026-10-05: 122 OI2026-10-06: 122 OI2026-10-07: 142 OI2026-10-08: 142 OI2026-10-09: 172 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-15: 180 OI2026-10-16: 202 OI2026-10-21: 253 OI2026-10-23: 240 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, 2026Viewing240-13
Oct 21, 2026253+51
Oct 16, 2026202+22
Oct 15, 2026180+5
Oct 14, 20261750
Oct 13, 2026175+3
Oct 09, 2026172+30
Oct 08, 20261420
Oct 07, 2026142+20
Oct 06, 20261220
Oct 05, 20261220
Oct 02, 2026122No prior observation