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Contract OI history

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Oct 23, 2026 EXPIRATION

NIO $3.50 Put

NIO261023P00003500

Latest saved OI2,931Oct 23, 2026
Last change-461vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $3.50 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. 3,3921,6960 2026-10-02: 1,481 OI2026-10-05: 1,492 OI2026-10-06: 1,508 OI2026-10-07: 1,511 OI2026-10-08: 1,511 OI2026-10-09: 1,502 OI2026-10-13: 1,559 OI2026-10-14: 1,559 OI2026-10-15: 1,592 OI2026-10-16: 1,909 OI2026-10-21: 3,392 OI2026-10-23: 2,931 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, 2026Viewing2,931-461
Oct 21, 20263,392+1,483
Oct 16, 20261,909+317
Oct 15, 20261,592+33
Oct 14, 20261,5590
Oct 13, 20261,559+57
Oct 09, 20261,502-9
Oct 08, 20261,5110
Oct 07, 20261,511+3
Oct 06, 20261,508+16
Oct 05, 20261,492+11
Oct 02, 20261,481No prior observation