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Contract OI history

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Mar 19, 2027 EXPIRATION

NIO $4.00 Put

NIO270319P00004000

Latest saved OI9,048Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $4.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9,0484,5240 2026-10-02: 8,923 OI2026-10-05: 8,924 OI2026-10-06: 8,924 OI2026-10-07: 8,974 OI2026-10-08: 8,974 OI2026-10-09: 9,024 OI2026-10-13: 9,036 OI2026-10-14: 9,036 OI2026-10-15: 9,028 OI2026-10-16: 9,028 OI2026-10-21: 9,047 OI2026-10-23: 9,048 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, 2026Viewing9,048+1
Oct 21, 20269,047+19
Oct 16, 20269,0280
Oct 15, 20269,028-8
Oct 14, 20269,0360
Oct 13, 20269,036+12
Oct 09, 20269,024+50
Oct 08, 20268,9740
Oct 07, 20268,974+50
Oct 06, 20268,9240
Oct 05, 20268,924+1
Oct 02, 20268,923No prior observation