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Contract OI history

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Dec 18, 2026 EXPIRATION

ARCT $7.50 Call

ARCT261218C00007500

Latest saved OI67Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ARCT $7.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 78390 2026-10-08: 78 OI2026-10-09: 78 OI2026-10-13: 76 OI2026-10-14: 75 OI2026-10-16: 68 OI2026-10-20: 68 OI2026-10-23: 67 OI Oct 08, 2026Oct 23, 2026

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

ARCT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing67-1
Oct 20, 2026680
Oct 16, 202668-7
Oct 14, 202675-1
Oct 13, 202676-2
Oct 09, 2026780
Oct 08, 202678No prior observation