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Contract OI history

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Nov 27, 2026 EXPIRATION

NIO $3.50 Call

NIO261127C00003500

Latest saved OI613Oct 23, 2026
Last change+116vs previous saved observation
Saved market days9Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $3.50 call open interest history 9 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 6133060 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 40 OI2026-10-13: 184 OI2026-10-14: 184 OI2026-10-15: 246 OI2026-10-16: 264 OI2026-10-21: 497 OI2026-10-23: 613 OI Oct 07, 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, 2026Viewing613+116
Oct 21, 2026497+233
Oct 16, 2026264+18
Oct 15, 2026246+62
Oct 14, 20261840
Oct 13, 2026184+144
Oct 09, 202640+40
Oct 08, 202600
Oct 07, 20260No prior observation