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Contract OI history

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Oct 23, 2026 EXPIRATION

NIO $5.50 Put

NIO261023P00005500

Latest saved OI0Oct 23, 2026
Last change-22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $5.50 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. 22110 2026-10-02: 16 OI2026-10-05: 16 OI2026-10-06: 16 OI2026-10-07: 16 OI2026-10-08: 16 OI2026-10-09: 16 OI2026-10-13: 17 OI2026-10-14: 17 OI2026-10-15: 17 OI2026-10-16: 19 OI2026-10-21: 22 OI2026-10-23: 0 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, 2026Viewing0-22
Oct 21, 202622+3
Oct 16, 202619+2
Oct 15, 2026170
Oct 14, 2026170
Oct 13, 202617+1
Oct 09, 2026160
Oct 08, 2026160
Oct 07, 2026160
Oct 06, 2026160
Oct 05, 2026160
Oct 02, 202616No prior observation