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Contract OI history

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Dec 18, 2026 EXPIRATION

ARI $10.00 Put

ARI1261218P00010000

Latest saved OI12,501Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ARI $10.00 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. 12,5106,2550 2026-10-02: 12,510 OI2026-10-05: 12,510 OI2026-10-06: 12,510 OI2026-10-07: 12,510 OI2026-10-08: 12,510 OI2026-10-09: 12,510 OI2026-10-13: 12,510 OI2026-10-14: 12,510 OI2026-10-15: 12,510 OI2026-10-16: 12,510 OI2026-10-21: 12,501 OI2026-10-23: 12,501 OI Oct 02, 2026Oct 23, 2026

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

ARI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing12,5010
Oct 21, 202612,501-9
Oct 16, 202612,5100
Oct 15, 202612,5100
Oct 14, 202612,5100
Oct 13, 202612,5100
Oct 09, 202612,5100
Oct 08, 202612,5100
Oct 07, 202612,5100
Oct 06, 202612,5100
Oct 05, 202612,5100
Oct 02, 202612,510No prior observation