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Contract OI history

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Dec 18, 2026 EXPIRATION

ARWR $90.00 Put

ARWR261218P00090000

Latest saved OI19Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ARWR $90.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2271130 2026-10-09: 227 OI2026-10-13: 227 OI2026-10-14: 227 OI2026-10-15: 213 OI2026-10-16: 19 OI2026-10-21: 19 OI2026-10-23: 19 OI Oct 09, 2026Oct 23, 2026

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

ARWR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing190
Oct 21, 2026190
Oct 16, 202619-194
Oct 15, 2026213-14
Oct 14, 20262270
Oct 13, 20262270
Oct 09, 2026227No prior observation