OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BB $10.00 Put

BB261218P00010000

Latest saved OI435Oct 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
BB $10.00 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. 4662330 2026-10-02: 436 OI2026-10-05: 455 OI2026-10-06: 466 OI2026-10-07: 466 OI2026-10-08: 466 OI2026-10-09: 446 OI2026-10-13: 446 OI2026-10-14: 446 OI2026-10-15: 446 OI2026-10-16: 435 OI2026-10-21: 434 OI2026-10-23: 435 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, 2026Viewing435+1
Oct 21, 2026434-1
Oct 16, 2026435-11
Oct 15, 20264460
Oct 14, 20264460
Oct 13, 20264460
Oct 09, 2026446-20
Oct 08, 20264660
Oct 07, 20264660
Oct 06, 2026466+11
Oct 05, 2026455+19
Oct 02, 2026436No prior observation