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Contract OI history

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Mar 19, 2027 EXPIRATION

ARWR $55.00 Put

ARWR270319P00055000

Latest saved OI74Oct 23, 2026
Last change+10vs 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. 74370 2026-10-09: 63 OI2026-10-13: 63 OI2026-10-14: 63 OI2026-10-15: 63 OI2026-10-16: 63 OI2026-10-21: 64 OI2026-10-23: 74 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, 2026Viewing74+10
Oct 21, 202664+1
Oct 16, 2026630
Oct 15, 2026630
Oct 14, 2026630
Oct 13, 2026630
Oct 09, 202663No prior observation