OITracker Cboe delayed data

Contract OI history

Back to XP

Oct 30, 2026 EXPIRATION

XP $21.00 Put

XP261030P00021000

Latest saved OI73,524Oct 23, 2026
Last change+3,201vs 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. 73,52436,7620 2026-10-09: 70,310 OI2026-10-13: 70,313 OI2026-10-14: 70,313 OI2026-10-15: 70,323 OI2026-10-16: 70,308 OI2026-10-21: 70,323 OI2026-10-23: 73,524 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, 2026Viewing73,524+3,201
Oct 21, 202670,323+15
Oct 16, 202670,308-15
Oct 15, 202670,323+10
Oct 14, 202670,3130
Oct 13, 202670,313+3
Oct 09, 202670,310No prior observation