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Contract OI history

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Dec 18, 2026 EXPIRATION

ARWR $67.50 Put

ARWR261218P00067500

Latest saved OI111Oct 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 $67.50 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. 112560 2026-10-09: 72 OI2026-10-13: 72 OI2026-10-14: 72 OI2026-10-15: 112 OI2026-10-16: 112 OI2026-10-21: 112 OI2026-10-23: 111 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, 2026Viewing111-1
Oct 21, 20261120
Oct 16, 20261120
Oct 15, 2026112+40
Oct 14, 2026720
Oct 13, 2026720
Oct 09, 202672No prior observation