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Contract OI history

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Nov 20, 2026 EXPIRATION

AER $140.00 Put

AER261120P00140000

Latest saved OI186Oct 20, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AER $140.00 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. 186930 2026-10-02: 113 OI2026-10-05: 113 OI2026-10-06: 128 OI2026-10-07: 128 OI2026-10-08: 131 OI2026-10-09: 131 OI2026-10-13: 132 OI2026-10-14: 185 OI2026-10-16: 185 OI2026-10-20: 186 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, 2026Viewing186+1
Oct 16, 20261850
Oct 14, 2026185+53
Oct 13, 2026132+1
Oct 09, 20261310
Oct 08, 2026131+3
Oct 07, 20261280
Oct 06, 2026128+15
Oct 05, 20261130
Oct 02, 2026113No prior observation