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Contract OI history

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Dec 17, 2027 EXPIRATION

NIO $5.50 Put

NIO271217P00005500

Latest saved OI6,526Oct 23, 2026
Last change-50vs 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. 6,5763,2880 2026-10-02: 6,254 OI2026-10-05: 6,254 OI2026-10-06: 6,254 OI2026-10-07: 6,254 OI2026-10-08: 6,254 OI2026-10-09: 6,254 OI2026-10-13: 6,548 OI2026-10-14: 6,548 OI2026-10-15: 6,548 OI2026-10-16: 6,548 OI2026-10-21: 6,576 OI2026-10-23: 6,526 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, 2026Viewing6,526-50
Oct 21, 20266,576+28
Oct 16, 20266,5480
Oct 15, 20266,5480
Oct 14, 20266,5480
Oct 13, 20266,548+294
Oct 09, 20266,2540
Oct 08, 20266,2540
Oct 07, 20266,2540
Oct 06, 20266,2540
Oct 05, 20266,2540
Oct 02, 20266,254No prior observation