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Contract OI history

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Nov 20, 2026 EXPIRATION

NIO $3.50 Call

NIO261120C00003500

Latest saved OI404Oct 23, 2026
Last change+244vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $3.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 4042020 2026-10-21: 160 OI2026-10-23: 404 OI Oct 21, 2026Oct 23, 2026

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

NIO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing404+244
Oct 21, 2026160No prior observation