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Contract OI history

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Feb 19, 2027 EXPIRATION

NIO $4.00 Put

NIO270219P00004000

Latest saved OI6,769Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $4.00 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. 6,8723,4360 2026-10-02: 6,822 OI2026-10-05: 6,872 OI2026-10-06: 6,871 OI2026-10-07: 6,871 OI2026-10-08: 6,871 OI2026-10-09: 6,870 OI2026-10-13: 6,855 OI2026-10-14: 6,855 OI2026-10-15: 6,759 OI2026-10-16: 6,759 OI2026-10-21: 6,759 OI2026-10-23: 6,769 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, 2026Viewing6,769+10
Oct 21, 20266,7590
Oct 16, 20266,7590
Oct 15, 20266,759-96
Oct 14, 20266,8550
Oct 13, 20266,855-15
Oct 09, 20266,870-1
Oct 08, 20266,8710
Oct 07, 20266,8710
Oct 06, 20266,871-1
Oct 05, 20266,872+50
Oct 02, 20266,822No prior observation