OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BA $230.00 Put

BA270115P00230000

Latest saved OI4,188Oct 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
BA $230.00 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. 4,2992,1490 2026-10-02: 4,297 OI2026-10-05: 4,299 OI2026-10-06: 4,247 OI2026-10-07: 4,247 OI2026-10-08: 4,247 OI2026-10-09: 4,202 OI2026-10-13: 4,194 OI2026-10-14: 4,194 OI2026-10-15: 4,195 OI2026-10-16: 4,195 OI2026-10-21: 4,187 OI2026-10-23: 4,188 OI Oct 02, 2026Oct 23, 2026

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

BA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,188+1
Oct 21, 20264,187-8
Oct 16, 20264,1950
Oct 15, 20264,195+1
Oct 14, 20264,1940
Oct 13, 20264,194-8
Oct 09, 20264,202-45
Oct 08, 20264,2470
Oct 07, 20264,2470
Oct 06, 20264,247-52
Oct 05, 20264,299+2
Oct 02, 20264,297No prior observation