OITracker Cboe delayed data

Contract OI history

Back to NIO

Jan 15, 2027 EXPIRATION

NIO $2.50 Put

NIO270115P00002500

Latest saved OI76,230Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $2.50 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. 76,23038,1150 2026-10-02: 72,267 OI2026-10-05: 72,269 OI2026-10-06: 72,274 OI2026-10-07: 72,274 OI2026-10-08: 72,274 OI2026-10-09: 72,275 OI2026-10-13: 72,154 OI2026-10-14: 72,154 OI2026-10-15: 72,253 OI2026-10-16: 76,228 OI2026-10-21: 76,230 OI2026-10-23: 76,230 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, 2026Viewing76,2300
Oct 21, 202676,230+2
Oct 16, 202676,228+3,975
Oct 15, 202672,253+99
Oct 14, 202672,1540
Oct 13, 202672,154-121
Oct 09, 202672,275+1
Oct 08, 202672,2740
Oct 07, 202672,2740
Oct 06, 202672,274+5
Oct 05, 202672,269+2
Oct 02, 202672,267No prior observation