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Mar 19, 2027 EXPIRATION

ACM $55.00 Put

ACM270319P00055000

Latest saved OI164Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACM $55.00 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. 164820 2026-10-02: 153 OI2026-10-05: 153 OI2026-10-06: 153 OI2026-10-07: 153 OI2026-10-08: 163 OI2026-10-09: 163 OI2026-10-13: 163 OI2026-10-14: 163 OI2026-10-15: 164 OI2026-10-16: 164 OI2026-10-21: 164 OI2026-10-23: 164 OI Oct 02, 2026Oct 23, 2026

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

ACM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1640
Oct 21, 20261640
Oct 16, 20261640
Oct 15, 2026164+1
Oct 14, 20261630
Oct 13, 20261630
Oct 09, 20261630
Oct 08, 2026163+10
Oct 07, 20261530
Oct 06, 20261530
Oct 05, 20261530
Oct 02, 2026153No prior observation