OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

BE $290.00 Put

BE270521P00290000

Latest saved OI351Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BE $290.00 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. 3511750 2026-10-02: 20 OI2026-10-05: 294 OI2026-10-06: 307 OI2026-10-07: 310 OI2026-10-08: 310 OI2026-10-09: 315 OI2026-10-13: 315 OI2026-10-14: 315 OI2026-10-15: 318 OI2026-10-16: 339 OI2026-10-21: 350 OI2026-10-23: 351 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, 2026Viewing351+1
Oct 21, 2026350+11
Oct 16, 2026339+21
Oct 15, 2026318+3
Oct 14, 20263150
Oct 13, 20263150
Oct 09, 2026315+5
Oct 08, 20263100
Oct 07, 2026310+3
Oct 06, 2026307+13
Oct 05, 2026294+274
Oct 02, 202620No prior observation