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Contract OI history

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Dec 18, 2026 EXPIRATION

ARWR $75.00 Put

ARWR261218P00075000

Latest saved OI552Oct 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 $75.00 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. 5522760 2026-10-09: 252 OI2026-10-13: 552 OI2026-10-14: 552 OI2026-10-15: 552 OI2026-10-16: 552 OI2026-10-21: 552 OI2026-10-23: 552 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, 2026Viewing5520
Oct 21, 20265520
Oct 16, 20265520
Oct 15, 20265520
Oct 14, 20265520
Oct 13, 2026552+300
Oct 09, 2026252No prior observation