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Contract OI history

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Jan 15, 2027 EXPIRATION

NIO $3.50 Call

NIO270115C00003500

Latest saved OI41,965Oct 23, 2026
Last change+2,953vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $3.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 41,96520,9820 2026-10-02: 22,668 OI2026-10-05: 22,769 OI2026-10-06: 23,386 OI2026-10-07: 23,431 OI2026-10-08: 23,431 OI2026-10-09: 30,560 OI2026-10-13: 30,745 OI2026-10-14: 30,745 OI2026-10-15: 31,577 OI2026-10-16: 39,407 OI2026-10-21: 39,012 OI2026-10-23: 41,965 OI Oct 02, 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, 2026Viewing41,965+2,953
Oct 21, 202639,012-395
Oct 16, 202639,407+7,830
Oct 15, 202631,577+832
Oct 14, 202630,7450
Oct 13, 202630,745+185
Oct 09, 202630,560+7,129
Oct 08, 202623,4310
Oct 07, 202623,431+45
Oct 06, 202623,386+617
Oct 05, 202622,769+101
Oct 02, 202622,668No prior observation