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Contract OI history

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Jan 21, 2028 EXPIRATION

AEM $220.00 Put

AEM280121P00220000

Latest saved OI425Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AEM $220.00 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. 4252120 2026-10-02: 417 OI2026-10-05: 414 OI2026-10-06: 414 OI2026-10-07: 414 OI2026-10-08: 414 OI2026-10-09: 414 OI2026-10-13: 417 OI2026-10-14: 417 OI2026-10-15: 417 OI2026-10-16: 417 OI2026-10-21: 417 OI2026-10-23: 425 OI Oct 02, 2026Oct 23, 2026

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

AEM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing425+8
Oct 21, 20264170
Oct 16, 20264170
Oct 15, 20264170
Oct 14, 20264170
Oct 13, 2026417+3
Oct 09, 20264140
Oct 08, 20264140
Oct 07, 20264140
Oct 06, 20264140
Oct 05, 2026414-3
Oct 02, 2026417No prior observation