OITracker Cboe delayed data

Contract OI history

Back to NIO

Nov 20, 2026 EXPIRATION

NIO $12.00 Call

NIO261120C00012000

Latest saved OI5,424Oct 23, 2026
Last change-258vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $12.00 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. 5,7242,8620 2026-10-02: 5,724 OI2026-10-05: 5,724 OI2026-10-06: 5,724 OI2026-10-07: 5,684 OI2026-10-08: 5,684 OI2026-10-09: 5,682 OI2026-10-13: 5,682 OI2026-10-14: 5,682 OI2026-10-15: 5,682 OI2026-10-16: 5,682 OI2026-10-21: 5,682 OI2026-10-23: 5,424 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, 2026Viewing5,424-258
Oct 21, 20265,6820
Oct 16, 20265,6820
Oct 15, 20265,6820
Oct 14, 20265,6820
Oct 13, 20265,6820
Oct 09, 20265,682-2
Oct 08, 20265,6840
Oct 07, 20265,684-40
Oct 06, 20265,7240
Oct 05, 20265,7240
Oct 02, 20265,724No prior observation