OITracker Cboe delayed data

Contract OI history

Back to B

Jan 15, 2027 EXPIRATION

B $22.00 Put

B270115P00022000

Latest saved OI2,787Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $22.00 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. 2,7891,3940 2026-10-02: 2,789 OI2026-10-05: 2,787 OI2026-10-06: 2,787 OI2026-10-07: 2,787 OI2026-10-08: 2,787 OI2026-10-09: 2,787 OI2026-10-13: 2,787 OI2026-10-14: 2,787 OI2026-10-15: 2,787 OI2026-10-16: 2,787 OI2026-10-21: 2,787 OI2026-10-23: 2,787 OI Oct 02, 2026Oct 23, 2026

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

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,7870
Oct 21, 20262,7870
Oct 16, 20262,7870
Oct 15, 20262,7870
Oct 14, 20262,7870
Oct 13, 20262,7870
Oct 09, 20262,7870
Oct 08, 20262,7870
Oct 07, 20262,7870
Oct 06, 20262,7870
Oct 05, 20262,787-2
Oct 02, 20262,789No prior observation