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Contract OI history

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Jan 15, 2027 EXPIRATION

NIO $5.50 Put

NIO270115P00005500

Latest saved OI22,866Oct 23, 2026
Last change-424vs 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. 23,73911,8690 2026-10-02: 23,739 OI2026-10-05: 23,739 OI2026-10-06: 23,698 OI2026-10-07: 23,698 OI2026-10-08: 23,698 OI2026-10-09: 23,688 OI2026-10-13: 23,283 OI2026-10-14: 23,283 OI2026-10-15: 23,300 OI2026-10-16: 23,300 OI2026-10-21: 23,290 OI2026-10-23: 22,866 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, 2026Viewing22,866-424
Oct 21, 202623,290-10
Oct 16, 202623,3000
Oct 15, 202623,300+17
Oct 14, 202623,2830
Oct 13, 202623,283-405
Oct 09, 202623,688-10
Oct 08, 202623,6980
Oct 07, 202623,6980
Oct 06, 202623,698-41
Oct 05, 202623,7390
Oct 02, 202623,739No prior observation