OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

U $36.00 Put

U261030P00036000

Latest saved OI71Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $36.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 71350 2026-10-02: 45 OI2026-10-05: 44 OI2026-10-06: 45 OI2026-10-07: 55 OI2026-10-08: 55 OI2026-10-09: 55 OI2026-10-14: 55 OI2026-10-15: 55 OI2026-10-16: 54 OI2026-10-21: 65 OI2026-10-23: 71 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202671+6
Oct 21, 2026Viewing65+11
Oct 16, 202654-1
Oct 15, 2026550
Oct 14, 2026550
Oct 09, 2026550
Oct 08, 2026550
Oct 07, 202655+10
Oct 06, 202645+1
Oct 05, 202644-1
Oct 02, 202645No prior observation