OITracker Cboe delayed data

Contract OI history

Back to XP

Jan 15, 2027 EXPIRATION

XP $21.00 Put

XP270115P00021000

Latest saved OI570Oct 23, 2026
Last change0vs 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. 5702850 2026-10-09: 400 OI2026-10-13: 400 OI2026-10-14: 400 OI2026-10-15: 400 OI2026-10-16: 570 OI2026-10-21: 570 OI2026-10-23: 570 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, 2026Viewing5700
Oct 21, 20265700
Oct 16, 2026570+170
Oct 15, 20264000
Oct 14, 20264000
Oct 13, 20264000
Oct 09, 2026400No prior observation