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Contract OI history

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Dec 17, 2027 EXPIRATION

NIO $3.50 Put

NIO271217P00003500

Latest saved OI29,502Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $3.50 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. 29,50214,7510 2026-10-02: 29,090 OI2026-10-05: 29,087 OI2026-10-06: 29,318 OI2026-10-07: 29,321 OI2026-10-08: 29,321 OI2026-10-09: 29,356 OI2026-10-13: 29,367 OI2026-10-14: 29,367 OI2026-10-15: 29,367 OI2026-10-16: 29,498 OI2026-10-21: 29,498 OI2026-10-23: 29,502 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, 2026Viewing29,502+4
Oct 21, 202629,4980
Oct 16, 202629,498+131
Oct 15, 202629,3670
Oct 14, 202629,3670
Oct 13, 202629,367+11
Oct 09, 202629,356+35
Oct 08, 202629,3210
Oct 07, 202629,321+3
Oct 06, 202629,318+231
Oct 05, 202629,087-3
Oct 02, 202629,090No prior observation