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Contract OI history

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Nov 20, 2026 EXPIRATION

ARQT $27.50 Call

ARQT261120C00027500

Latest saved OI2,010Oct 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 $27.50 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. 2,0101,0050 2026-10-08: 7 OI2026-10-09: 12 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-15: 13 OI2026-10-16: 20 OI2026-10-21: 2,010 OI2026-10-23: 2,010 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, 2026Viewing2,0100
Oct 21, 20262,010+1,990
Oct 16, 202620+7
Oct 15, 2026130
Oct 14, 2026130
Oct 13, 202613+1
Oct 09, 202612+5
Oct 08, 20267No prior observation