OITracker Cboe delayed data

Contract OI history

Back to NIO

Mar 19, 2027 EXPIRATION

NIO $3.00 Call

NIO270319C00003000

Latest saved OI1,470Oct 23, 2026
Last change+16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $3.00 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. 1,4707350 2026-10-02: 1,364 OI2026-10-05: 1,365 OI2026-10-06: 1,362 OI2026-10-07: 1,362 OI2026-10-08: 1,362 OI2026-10-09: 1,391 OI2026-10-13: 1,423 OI2026-10-14: 1,423 OI2026-10-15: 1,426 OI2026-10-16: 1,427 OI2026-10-21: 1,454 OI2026-10-23: 1,470 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, 2026Viewing1,470+16
Oct 21, 20261,454+27
Oct 16, 20261,427+1
Oct 15, 20261,426+3
Oct 14, 20261,4230
Oct 13, 20261,423+32
Oct 09, 20261,391+29
Oct 08, 20261,3620
Oct 07, 20261,3620
Oct 06, 20261,362-3
Oct 05, 20261,365+1
Oct 02, 20261,364No prior observation