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Contract OI history

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Dec 17, 2027 EXPIRATION

NIO $2.50 Put

NIO271217P00002500

Latest saved OI27,841Oct 23, 2026
Last change-144vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $2.50 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. 28,37914,1890 2026-10-02: 28,379 OI2026-10-05: 28,379 OI2026-10-06: 28,292 OI2026-10-07: 28,292 OI2026-10-08: 28,292 OI2026-10-09: 28,293 OI2026-10-13: 28,288 OI2026-10-14: 28,288 OI2026-10-15: 28,285 OI2026-10-16: 28,284 OI2026-10-21: 27,985 OI2026-10-23: 27,841 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, 2026Viewing27,841-144
Oct 21, 202627,985-299
Oct 16, 202628,284-1
Oct 15, 202628,285-3
Oct 14, 202628,2880
Oct 13, 202628,288-5
Oct 09, 202628,293+1
Oct 08, 202628,2920
Oct 07, 202628,2920
Oct 06, 202628,292-87
Oct 05, 202628,3790
Oct 02, 202628,379No prior observation