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Contract OI history

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Feb 19, 2027 EXPIRATION

NIO $4.00 Call

NIO270219C00004000

Latest saved OI2,570Oct 23, 2026
Last change+148vs 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. 2,5701,2850 2026-10-02: 1,681 OI2026-10-05: 1,894 OI2026-10-06: 2,013 OI2026-10-07: 2,125 OI2026-10-08: 2,125 OI2026-10-09: 2,170 OI2026-10-13: 2,218 OI2026-10-14: 2,218 OI2026-10-15: 2,220 OI2026-10-16: 2,236 OI2026-10-21: 2,422 OI2026-10-23: 2,570 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, 2026Viewing2,570+148
Oct 21, 20262,422+186
Oct 16, 20262,236+16
Oct 15, 20262,220+2
Oct 14, 20262,2180
Oct 13, 20262,218+48
Oct 09, 20262,170+45
Oct 08, 20262,1250
Oct 07, 20262,125+112
Oct 06, 20262,013+119
Oct 05, 20261,894+213
Oct 02, 20261,681No prior observation