OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BE $220.00 Put

BE280121P00220000

Latest saved OI538Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BE $220.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5382690 2026-10-02: 513 OI2026-10-05: 513 OI2026-10-06: 513 OI2026-10-07: 515 OI2026-10-08: 515 OI2026-10-09: 518 OI2026-10-13: 518 OI2026-10-14: 518 OI2026-10-15: 517 OI2026-10-16: 529 OI2026-10-21: 526 OI2026-10-23: 538 OI Oct 02, 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, 2026Viewing538+12
Oct 21, 2026526-3
Oct 16, 2026529+12
Oct 15, 2026517-1
Oct 14, 20265180
Oct 13, 20265180
Oct 09, 2026518+3
Oct 08, 20265150
Oct 07, 2026515+2
Oct 06, 20265130
Oct 05, 20265130
Oct 02, 2026513No prior observation