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Contract OI history

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Nov 13, 2026 EXPIRATION

NIO $3.50 Call

NIO261113C00003500

Latest saved OI1,974Oct 23, 2026
Last change+137vs 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. 1,9749870 2026-10-02: 2 OI2026-10-05: 22 OI2026-10-06: 165 OI2026-10-07: 198 OI2026-10-08: 198 OI2026-10-09: 751 OI2026-10-13: 1,102 OI2026-10-14: 1,102 OI2026-10-15: 958 OI2026-10-16: 1,032 OI2026-10-21: 1,837 OI2026-10-23: 1,974 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, 2026Viewing1,974+137
Oct 21, 20261,837+805
Oct 16, 20261,032+74
Oct 15, 2026958-144
Oct 14, 20261,1020
Oct 13, 20261,102+351
Oct 09, 2026751+553
Oct 08, 20261980
Oct 07, 2026198+33
Oct 06, 2026165+143
Oct 05, 202622+20
Oct 02, 20262No prior observation