OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

XP $21.00 Put

XP261120P00021000

Latest saved OI10,931Oct 23, 2026
Last change+130vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
XP $21.00 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. 10,9315,4650 2026-10-09: 8,144 OI2026-10-13: 10,091 OI2026-10-14: 10,091 OI2026-10-15: 10,758 OI2026-10-16: 10,788 OI2026-10-21: 10,801 OI2026-10-23: 10,931 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, 2026Viewing10,931+130
Oct 21, 202610,801+13
Oct 16, 202610,788+30
Oct 15, 202610,758+667
Oct 14, 202610,0910
Oct 13, 202610,091+1,947
Oct 09, 20268,144No prior observation