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Contract OI history

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Dec 18, 2026 EXPIRATION

ARWR $62.50 Put

ARWR261218P00062500

Latest saved OI214Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ARWR $62.50 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. 2151070 2026-10-09: 34 OI2026-10-13: 34 OI2026-10-14: 34 OI2026-10-15: 34 OI2026-10-16: 215 OI2026-10-21: 215 OI2026-10-23: 214 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, 2026Viewing214-1
Oct 21, 20262150
Oct 16, 2026215+181
Oct 15, 2026340
Oct 14, 2026340
Oct 13, 2026340
Oct 09, 202634No prior observation