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Contract OI history

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Nov 20, 2026 EXPIRATION

AR $37.00 Put

AR261120P00037000

Latest saved OI201Oct 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
AR $37.00 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. 4122060 2026-10-02: 164 OI2026-10-05: 164 OI2026-10-06: 164 OI2026-10-07: 409 OI2026-10-08: 409 OI2026-10-09: 412 OI2026-10-13: 411 OI2026-10-14: 411 OI2026-10-15: 169 OI2026-10-16: 166 OI2026-10-21: 209 OI2026-10-23: 201 OI Oct 02, 2026Oct 23, 2026

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

AR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing201-8
Oct 21, 2026209+43
Oct 16, 2026166-3
Oct 15, 2026169-242
Oct 14, 20264110
Oct 13, 2026411-1
Oct 09, 2026412+3
Oct 08, 20264090
Oct 07, 2026409+245
Oct 06, 20261640
Oct 05, 20261640
Oct 02, 2026164No prior observation