OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

NIO $4.00 Put

NIO261120P00004000

Latest saved OI36,053Oct 23, 2026
Last change-5vs 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. 36,38218,1910 2026-10-02: 36,194 OI2026-10-05: 36,257 OI2026-10-06: 36,351 OI2026-10-07: 36,343 OI2026-10-08: 36,343 OI2026-10-09: 36,293 OI2026-10-13: 36,382 OI2026-10-14: 36,382 OI2026-10-15: 36,380 OI2026-10-16: 36,244 OI2026-10-21: 36,058 OI2026-10-23: 36,053 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, 2026Viewing36,053-5
Oct 21, 202636,058-186
Oct 16, 202636,244-136
Oct 15, 202636,380-2
Oct 14, 202636,3820
Oct 13, 202636,382+89
Oct 09, 202636,293-50
Oct 08, 202636,3430
Oct 07, 202636,343-8
Oct 06, 202636,351+94
Oct 05, 202636,257+63
Oct 02, 202636,194No prior observation