OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

BE $255.00 Put

BE261030P00255000

Latest saved OI800Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BE $255.00 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. 8004000 2026-10-02: 211 OI2026-10-05: 162 OI2026-10-06: 320 OI2026-10-07: 362 OI2026-10-08: 362 OI2026-10-09: 432 OI2026-10-13: 486 OI2026-10-14: 486 OI2026-10-15: 443 OI2026-10-16: 436 OI2026-10-21: 794 OI2026-10-23: 800 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, 2026Viewing800+6
Oct 21, 2026794+358
Oct 16, 2026436-7
Oct 15, 2026443-43
Oct 14, 20264860
Oct 13, 2026486+54
Oct 09, 2026432+70
Oct 08, 20263620
Oct 07, 2026362+42
Oct 06, 2026320+158
Oct 05, 2026162-49
Oct 02, 2026211No prior observation