OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

NIO $4.00 Put

NIO261023P00004000

Latest saved OI129Oct 23, 2026
Last change-67vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $4.00 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. 5752870 2026-10-02: 575 OI2026-10-05: 510 OI2026-10-06: 509 OI2026-10-07: 507 OI2026-10-08: 507 OI2026-10-09: 501 OI2026-10-13: 528 OI2026-10-14: 528 OI2026-10-15: 525 OI2026-10-16: 525 OI2026-10-21: 196 OI2026-10-23: 129 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, 2026Viewing129-67
Oct 21, 2026196-329
Oct 16, 20265250
Oct 15, 2026525-3
Oct 14, 20265280
Oct 13, 2026528+27
Oct 09, 2026501-6
Oct 08, 20265070
Oct 07, 2026507-2
Oct 06, 2026509-1
Oct 05, 2026510-65
Oct 02, 2026575No prior observation