OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

XP $21.00 Put

XP270219P00021000

Latest saved OI669Oct 23, 2026
Last change+30vs 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. 6693340 2026-10-09: 613 OI2026-10-13: 639 OI2026-10-14: 639 OI2026-10-15: 639 OI2026-10-16: 639 OI2026-10-21: 639 OI2026-10-23: 669 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, 2026Viewing669+30
Oct 21, 20266390
Oct 16, 20266390
Oct 15, 20266390
Oct 14, 20266390
Oct 13, 2026639+26
Oct 09, 2026613No prior observation