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Contract OI history

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Mar 19, 2027 EXPIRATION

ACM $47.50 Put

ACM270319P00047500

Latest saved OI439Oct 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 $47.50 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. 4392190 2026-10-02: 439 OI2026-10-05: 439 OI2026-10-06: 439 OI2026-10-07: 439 OI2026-10-08: 439 OI2026-10-09: 439 OI2026-10-13: 439 OI2026-10-14: 439 OI2026-10-15: 439 OI2026-10-16: 439 OI2026-10-21: 439 OI2026-10-23: 439 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, 2026Viewing4390
Oct 21, 20264390
Oct 16, 20264390
Oct 15, 20264390
Oct 14, 20264390
Oct 13, 20264390
Oct 09, 20264390
Oct 08, 20264390
Oct 07, 20264390
Oct 06, 20264390
Oct 05, 20264390
Oct 02, 2026439No prior observation