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Contract OI history

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Oct 30, 2026 EXPIRATION

NIO $3.50 Put

NIO261030P00003500

Latest saved OI4,108Oct 23, 2026
Last change+818vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $3.50 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. 4,1082,0540 2026-10-02: 2,009 OI2026-10-05: 2,056 OI2026-10-06: 2,082 OI2026-10-07: 2,237 OI2026-10-08: 2,237 OI2026-10-09: 2,322 OI2026-10-13: 2,656 OI2026-10-14: 2,656 OI2026-10-15: 2,730 OI2026-10-16: 2,902 OI2026-10-21: 3,290 OI2026-10-23: 4,108 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, 2026Viewing4,108+818
Oct 21, 20263,290+388
Oct 16, 20262,902+172
Oct 15, 20262,730+74
Oct 14, 20262,6560
Oct 13, 20262,656+334
Oct 09, 20262,322+85
Oct 08, 20262,2370
Oct 07, 20262,237+155
Oct 06, 20262,082+26
Oct 05, 20262,056+47
Oct 02, 20262,009No prior observation