OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BE $300.00 Put

BE261120P00300000

Latest saved OI606Oct 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. 6433210 2026-10-02: 521 OI2026-10-05: 516 OI2026-10-06: 544 OI2026-10-07: 585 OI2026-10-08: 585 OI2026-10-09: 643 OI2026-10-13: 633 OI2026-10-14: 633 OI2026-10-15: 598 OI2026-10-16: 604 OI2026-10-21: 604 OI2026-10-23: 606 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, 2026Viewing606+2
Oct 21, 20266040
Oct 16, 2026604+6
Oct 15, 2026598-35
Oct 14, 20266330
Oct 13, 2026633-10
Oct 09, 2026643+58
Oct 08, 20265850
Oct 07, 2026585+41
Oct 06, 2026544+28
Oct 05, 2026516-5
Oct 02, 2026521No prior observation