OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BB $5.50 Put

BB270115P00005500

Latest saved OI1,397Oct 23, 2026
Last change-20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $5.50 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. 1,4387190 2026-10-02: 1,438 OI2026-10-05: 1,438 OI2026-10-06: 1,438 OI2026-10-07: 1,438 OI2026-10-08: 1,438 OI2026-10-09: 1,438 OI2026-10-13: 1,418 OI2026-10-14: 1,418 OI2026-10-15: 1,418 OI2026-10-16: 1,417 OI2026-10-21: 1,417 OI2026-10-23: 1,397 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,397-20
Oct 21, 20261,4170
Oct 16, 20261,417-1
Oct 15, 20261,4180
Oct 14, 20261,4180
Oct 13, 20261,418-20
Oct 09, 20261,4380
Oct 08, 20261,4380
Oct 07, 20261,4380
Oct 06, 20261,4380
Oct 05, 20261,4380
Oct 02, 20261,438No prior observation