OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BE $300.00 Put

BE261218P00300000

Latest saved OI188Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BE $300.00 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. 190950 2026-10-02: 183 OI2026-10-05: 183 OI2026-10-06: 187 OI2026-10-07: 178 OI2026-10-08: 178 OI2026-10-09: 180 OI2026-10-13: 186 OI2026-10-14: 186 OI2026-10-15: 190 OI2026-10-16: 186 OI2026-10-21: 186 OI2026-10-23: 188 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, 2026Viewing188+2
Oct 21, 20261860
Oct 16, 2026186-4
Oct 15, 2026190+4
Oct 14, 20261860
Oct 13, 2026186+6
Oct 09, 2026180+2
Oct 08, 20261780
Oct 07, 2026178-9
Oct 06, 2026187+4
Oct 05, 20261830
Oct 02, 2026183No prior observation