OITracker Cboe delayed data

Contract OI history

Back to NIO

Nov 27, 2026 EXPIRATION

NIO $4.00 Put

NIO261127P00004000

Latest saved OI231Oct 23, 2026
Last change+2vs previous saved observation
Saved market days9Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $4.00 put open interest history 9 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 2311150 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 1 OI2026-10-13: 205 OI2026-10-14: 205 OI2026-10-15: 210 OI2026-10-16: 211 OI2026-10-21: 229 OI2026-10-23: 231 OI Oct 07, 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, 2026Viewing231+2
Oct 21, 2026229+18
Oct 16, 2026211+1
Oct 15, 2026210+5
Oct 14, 20262050
Oct 13, 2026205+204
Oct 09, 20261+1
Oct 08, 202600
Oct 07, 20260No prior observation