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Contract OI history

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Jan 15, 2027 EXPIRATION

ACN $180.00 Put

ACN270115P00180000

Latest saved OI390Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACN $180.00 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. 4162080 2026-10-02: 366 OI2026-10-05: 394 OI2026-10-06: 400 OI2026-10-07: 402 OI2026-10-08: 402 OI2026-10-09: 416 OI2026-10-13: 412 OI2026-10-14: 412 OI2026-10-15: 414 OI2026-10-16: 400 OI2026-10-21: 378 OI2026-10-23: 390 OI Oct 02, 2026Oct 23, 2026

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

ACN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing390+12
Oct 21, 2026378-22
Oct 16, 2026400-14
Oct 15, 2026414+2
Oct 14, 20264120
Oct 13, 2026412-4
Oct 09, 2026416+14
Oct 08, 20264020
Oct 07, 2026402+2
Oct 06, 2026400+6
Oct 05, 2026394+28
Oct 02, 2026366No prior observation