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Contract OI history

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May 21, 2027 EXPIRATION

NIO $2.00 Call

NIO270521C00002000

Latest saved OI351Oct 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 $2.00 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. 3511750 2026-10-02: 19 OI2026-10-05: 319 OI2026-10-06: 344 OI2026-10-07: 347 OI2026-10-08: 347 OI2026-10-09: 347 OI2026-10-13: 348 OI2026-10-14: 348 OI2026-10-15: 350 OI2026-10-16: 350 OI2026-10-21: 351 OI2026-10-23: 351 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, 2026Viewing3510
Oct 21, 2026351+1
Oct 16, 20263500
Oct 15, 2026350+2
Oct 14, 20263480
Oct 13, 2026348+1
Oct 09, 20263470
Oct 08, 20263470
Oct 07, 2026347+3
Oct 06, 2026344+25
Oct 05, 2026319+300
Oct 02, 202619No prior observation