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Contract OI history

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Oct 30, 2026 EXPIRATION

NIO $3.50 Call

NIO261030C00003500

Latest saved OI5,976Oct 23, 2026
Last change+1,221vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $3.50 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. 5,9762,9880 2026-10-02: 1,373 OI2026-10-05: 1,534 OI2026-10-06: 1,844 OI2026-10-07: 1,901 OI2026-10-08: 1,901 OI2026-10-09: 2,363 OI2026-10-13: 2,438 OI2026-10-14: 2,438 OI2026-10-15: 2,619 OI2026-10-16: 2,751 OI2026-10-21: 4,755 OI2026-10-23: 5,976 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, 2026Viewing5,976+1,221
Oct 21, 20264,755+2,004
Oct 16, 20262,751+132
Oct 15, 20262,619+181
Oct 14, 20262,4380
Oct 13, 20262,438+75
Oct 09, 20262,363+462
Oct 08, 20261,9010
Oct 07, 20261,901+57
Oct 06, 20261,844+310
Oct 05, 20261,534+161
Oct 02, 20261,373No prior observation