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Contract OI history

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Jan 21, 2028 EXPIRATION

ACN $190.00 Put

ACN280121P00190000

Latest saved OI1,171Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACN $190.00 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. 1,1745870 2026-10-02: 1,168 OI2026-10-05: 1,168 OI2026-10-06: 1,168 OI2026-10-07: 1,168 OI2026-10-08: 1,168 OI2026-10-09: 1,168 OI2026-10-13: 1,172 OI2026-10-14: 1,172 OI2026-10-15: 1,172 OI2026-10-16: 1,174 OI2026-10-21: 1,170 OI2026-10-23: 1,171 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, 2026Viewing1,171+1
Oct 21, 20261,170-4
Oct 16, 20261,174+2
Oct 15, 20261,1720
Oct 14, 20261,1720
Oct 13, 20261,172+4
Oct 09, 20261,1680
Oct 08, 20261,1680
Oct 07, 20261,1680
Oct 06, 20261,1680
Oct 05, 20261,1680
Oct 02, 20261,168No prior observation