OITracker Cboe delayed data

Contract OI history

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Dec 15, 2028 EXPIRATION

NIO $2.00 Put

NIO281215P00002000

Latest saved OI9,472Oct 23, 2026
Last change-15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NIO $2.00 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. 9,4874,7430 2026-10-02: 9,372 OI2026-10-05: 9,386 OI2026-10-06: 9,486 OI2026-10-07: 9,486 OI2026-10-08: 9,486 OI2026-10-09: 9,487 OI2026-10-13: 9,487 OI2026-10-14: 9,487 OI2026-10-15: 9,487 OI2026-10-16: 9,487 OI2026-10-21: 9,487 OI2026-10-23: 9,472 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, 2026Viewing9,472-15
Oct 21, 20269,4870
Oct 16, 20269,4870
Oct 15, 20269,4870
Oct 14, 20269,4870
Oct 13, 20269,4870
Oct 09, 20269,487+1
Oct 08, 20269,4860
Oct 07, 20269,4860
Oct 06, 20269,486+100
Oct 05, 20269,386+14
Oct 02, 20269,372No prior observation