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Contract OI history

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Dec 18, 2026 EXPIRATION

ARWR $55.00 Put

ARWR261218P00055000

Latest saved OI117Oct 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 $55.00 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. 117580 2026-10-09: 114 OI2026-10-13: 114 OI2026-10-14: 115 OI2026-10-15: 115 OI2026-10-16: 115 OI2026-10-21: 117 OI2026-10-23: 117 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, 2026Viewing1170
Oct 21, 2026117+2
Oct 16, 20261150
Oct 15, 20261150
Oct 14, 2026115+1
Oct 13, 20261140
Oct 09, 2026114No prior observation