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Contract OI history

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Nov 20, 2026 EXPIRATION

AER $145.00 Put

AER261120P00145000

Latest saved OI141Oct 20, 2026
Last change+4vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AER $145.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 141700 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 8 OI2026-10-13: 8 OI2026-10-14: 137 OI2026-10-16: 137 OI2026-10-20: 141 OI Oct 02, 2026Oct 20, 2026

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

AER contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing141+4
Oct 16, 20261370
Oct 14, 2026137+129
Oct 13, 202680
Oct 09, 202680
Oct 08, 202680
Oct 07, 20268+6
Oct 06, 202620
Oct 05, 202620
Oct 02, 20262No prior observation