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Contract OI history

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Jan 15, 2027 EXPIRATION

AER $140.00 Put

AER270115P00140000

Latest saved OI260Oct 20, 2026
Last change+10vs 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. 2601300 2026-10-02: 194 OI2026-10-05: 194 OI2026-10-06: 195 OI2026-10-07: 195 OI2026-10-08: 216 OI2026-10-09: 216 OI2026-10-13: 216 OI2026-10-14: 214 OI2026-10-16: 250 OI2026-10-20: 260 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, 2026Viewing260+10
Oct 16, 2026250+36
Oct 14, 2026214-2
Oct 13, 20262160
Oct 09, 20262160
Oct 08, 2026216+21
Oct 07, 20261950
Oct 06, 2026195+1
Oct 05, 20261940
Oct 02, 2026194No prior observation