OITracker Cboe delayed data

Contract OI history

Back to B

Jan 15, 2027 EXPIRATION

B $45.00 Put

B270115P00045000

Latest saved OI4,696Oct 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 $45.00 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. 4,6962,3480 2026-10-02: 4,513 OI2026-10-05: 4,507 OI2026-10-06: 4,507 OI2026-10-07: 4,507 OI2026-10-08: 4,602 OI2026-10-09: 4,602 OI2026-10-13: 4,592 OI2026-10-14: 4,592 OI2026-10-15: 4,592 OI2026-10-16: 4,586 OI2026-10-21: 4,696 OI2026-10-23: 4,696 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, 2026Viewing4,6960
Oct 21, 20264,696+110
Oct 16, 20264,586-6
Oct 15, 20264,5920
Oct 14, 20264,5920
Oct 13, 20264,592-10
Oct 09, 20264,6020
Oct 08, 20264,602+95
Oct 07, 20264,5070
Oct 06, 20264,5070
Oct 05, 20264,507-6
Oct 02, 20264,513No prior observation