OITracker Cboe delayed data

Contract OI history

Back to B

Jan 15, 2027 EXPIRATION

B $29.00 Put

B270115P00029000

Latest saved OI3,577Oct 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 $29.00 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. 3,5771,7880 2026-10-02: 3,567 OI2026-10-05: 3,567 OI2026-10-06: 3,567 OI2026-10-07: 3,569 OI2026-10-08: 3,569 OI2026-10-09: 3,569 OI2026-10-13: 3,572 OI2026-10-14: 3,572 OI2026-10-15: 3,577 OI2026-10-16: 3,577 OI2026-10-21: 3,577 OI2026-10-23: 3,577 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, 2026Viewing3,5770
Oct 21, 20263,5770
Oct 16, 20263,5770
Oct 15, 20263,577+5
Oct 14, 20263,5720
Oct 13, 20263,572+3
Oct 09, 20263,5690
Oct 08, 20263,5690
Oct 07, 20263,569+2
Oct 06, 20263,5670
Oct 05, 20263,5670
Oct 02, 20263,567No prior observation