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Contract OI history

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Jan 19, 2029 EXPIRATION

NIO $4.00 Call

NIO290119C00004000

Latest saved OI1,335Oct 23, 2026
Last change+89vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $4.00 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. 1,3356670 2026-10-02: 553 OI2026-10-05: 581 OI2026-10-06: 664 OI2026-10-07: 701 OI2026-10-08: 701 OI2026-10-09: 969 OI2026-10-13: 1,001 OI2026-10-14: 1,001 OI2026-10-15: 1,003 OI2026-10-16: 1,034 OI2026-10-21: 1,246 OI2026-10-23: 1,335 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, 2026Viewing1,335+89
Oct 21, 20261,246+212
Oct 16, 20261,034+31
Oct 15, 20261,003+2
Oct 14, 20261,0010
Oct 13, 20261,001+32
Oct 09, 2026969+268
Oct 08, 20267010
Oct 07, 2026701+37
Oct 06, 2026664+83
Oct 05, 2026581+28
Oct 02, 2026553No prior observation