OITracker Cboe delayed data

Contract OI history

Back to NIO

Dec 17, 2027 EXPIRATION

NIO $5.50 Call

NIO271217C00005500

Latest saved OI5,666Oct 23, 2026
Last change+515vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $5.50 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. 5,6662,8330 2026-10-02: 5,308 OI2026-10-05: 5,298 OI2026-10-06: 5,617 OI2026-10-07: 5,613 OI2026-10-08: 5,613 OI2026-10-09: 4,953 OI2026-10-13: 5,026 OI2026-10-14: 5,026 OI2026-10-15: 5,026 OI2026-10-16: 5,030 OI2026-10-21: 5,151 OI2026-10-23: 5,666 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, 2026Viewing5,666+515
Oct 21, 20265,151+121
Oct 16, 20265,030+4
Oct 15, 20265,0260
Oct 14, 20265,0260
Oct 13, 20265,026+73
Oct 09, 20264,953-660
Oct 08, 20265,6130
Oct 07, 20265,613-4
Oct 06, 20265,617+319
Oct 05, 20265,298-10
Oct 02, 20265,308No prior observation