OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

XP $18.00 Put

XP261030P00018000

Latest saved OI18,046Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
XP $18.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 18,0469,0230 2026-10-09: 18,030 OI2026-10-13: 18,043 OI2026-10-14: 18,043 OI2026-10-15: 18,043 OI2026-10-16: 18,043 OI2026-10-21: 18,043 OI2026-10-23: 18,046 OI Oct 09, 2026Oct 23, 2026

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

XP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing18,046+3
Oct 21, 202618,0430
Oct 16, 202618,0430
Oct 15, 202618,0430
Oct 14, 202618,0430
Oct 13, 202618,043+13
Oct 09, 202618,030No prior observation