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Contract OI history

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Jan 15, 2027 EXPIRATION

BA $220.00 Put

BA270115P00220000

Latest saved OI2,734Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $220.00 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. 2,7371,3680 2026-10-02: 2,737 OI2026-10-05: 2,737 OI2026-10-06: 2,736 OI2026-10-07: 2,733 OI2026-10-08: 2,733 OI2026-10-09: 2,732 OI2026-10-13: 2,734 OI2026-10-14: 2,734 OI2026-10-15: 2,736 OI2026-10-16: 2,737 OI2026-10-21: 2,732 OI2026-10-23: 2,734 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, 2026Viewing2,734+2
Oct 21, 20262,732-5
Oct 16, 20262,737+1
Oct 15, 20262,736+2
Oct 14, 20262,7340
Oct 13, 20262,734+2
Oct 09, 20262,732-1
Oct 08, 20262,7330
Oct 07, 20262,733-3
Oct 06, 20262,736-1
Oct 05, 20262,7370
Oct 02, 20262,737No prior observation