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Contract OI history

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Jan 15, 2027 EXPIRATION

NIO $3.50 Put

NIO270115P00003500

Latest saved OI36,532Oct 23, 2026
Last change+1vs 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. 38,37419,1870 2026-10-02: 36,804 OI2026-10-05: 37,851 OI2026-10-06: 37,862 OI2026-10-07: 37,752 OI2026-10-08: 37,752 OI2026-10-09: 37,880 OI2026-10-13: 38,088 OI2026-10-14: 38,088 OI2026-10-15: 38,374 OI2026-10-16: 36,472 OI2026-10-21: 36,531 OI2026-10-23: 36,532 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, 2026Viewing36,532+1
Oct 21, 202636,531+59
Oct 16, 202636,472-1,902
Oct 15, 202638,374+286
Oct 14, 202638,0880
Oct 13, 202638,088+208
Oct 09, 202637,880+128
Oct 08, 202637,7520
Oct 07, 202637,752-110
Oct 06, 202637,862+11
Oct 05, 202637,851+1,047
Oct 02, 202636,804No prior observation