OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

NIO $2.00 Put

NIO280121P00002000

Latest saved OI4,822Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $2.00 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. 4,8222,4110 2026-10-02: 4,820 OI2026-10-05: 4,820 OI2026-10-06: 4,820 OI2026-10-07: 4,820 OI2026-10-08: 4,820 OI2026-10-09: 4,820 OI2026-10-13: 4,819 OI2026-10-14: 4,819 OI2026-10-15: 4,819 OI2026-10-16: 4,819 OI2026-10-21: 4,819 OI2026-10-23: 4,822 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, 2026Viewing4,822+3
Oct 21, 20264,8190
Oct 16, 20264,8190
Oct 15, 20264,8190
Oct 14, 20264,8190
Oct 13, 20264,819-1
Oct 09, 20264,8200
Oct 08, 20264,8200
Oct 07, 20264,8200
Oct 06, 20264,8200
Oct 05, 20264,8200
Oct 02, 20264,820No prior observation