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Contract OI history

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Feb 19, 2027 EXPIRATION

AR $37.00 Put

AR270219P00037000

Latest saved OI303Oct 23, 2026
Last change0vs 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. 3031510 2026-10-02: 25 OI2026-10-05: 25 OI2026-10-06: 40 OI2026-10-07: 40 OI2026-10-08: 40 OI2026-10-09: 40 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-15: 303 OI2026-10-16: 303 OI2026-10-21: 303 OI2026-10-23: 303 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, 2026Viewing3030
Oct 21, 20263030
Oct 16, 20263030
Oct 15, 2026303+263
Oct 14, 2026400
Oct 13, 2026400
Oct 09, 2026400
Oct 08, 2026400
Oct 07, 2026400
Oct 06, 202640+15
Oct 05, 2026250
Oct 02, 202625No prior observation