OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BE $227.50 Put

BE261120P00227500

Latest saved OI586Oct 23, 2026
Last change+319vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
BE $227.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 5862930 2026-10-21: 267 OI2026-10-23: 586 OI Oct 21, 2026Oct 23, 2026

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

BE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing586+319
Oct 21, 2026267No prior observation