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Contract OI history

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Jan 15, 2027 EXPIRATION

ARQT $17.50 Call

ARQT270115C00017500

Latest saved OI37Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ARQT $17.50 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 40200 2026-10-08: 40 OI2026-10-09: 40 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-15: 39 OI2026-10-16: 38 OI2026-10-21: 37 OI2026-10-23: 37 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ARQT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing370
Oct 21, 202637-1
Oct 16, 202638-1
Oct 15, 202639-1
Oct 14, 2026400
Oct 13, 2026400
Oct 09, 2026400
Oct 08, 202640No prior observation