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Contract OI history

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Dec 17, 2027 EXPIRATION

NIO $2.50 Call

NIO271217C00002500

Latest saved OI381Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $2.50 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. 3891940 2026-10-02: 364 OI2026-10-05: 364 OI2026-10-06: 368 OI2026-10-07: 368 OI2026-10-08: 368 OI2026-10-09: 389 OI2026-10-13: 381 OI2026-10-14: 381 OI2026-10-15: 381 OI2026-10-16: 381 OI2026-10-21: 381 OI2026-10-23: 381 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, 2026Viewing3810
Oct 21, 20263810
Oct 16, 20263810
Oct 15, 20263810
Oct 14, 20263810
Oct 13, 2026381-8
Oct 09, 2026389+21
Oct 08, 20263680
Oct 07, 20263680
Oct 06, 2026368+4
Oct 05, 20263640
Oct 02, 2026364No prior observation