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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $225.00 Put

BA261218P00225000

Latest saved OI985Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $225.00 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. 9974980 2026-10-02: 993 OI2026-10-05: 993 OI2026-10-06: 997 OI2026-10-07: 996 OI2026-10-08: 996 OI2026-10-09: 975 OI2026-10-13: 975 OI2026-10-14: 975 OI2026-10-15: 987 OI2026-10-16: 985 OI2026-10-21: 985 OI2026-10-23: 985 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, 2026Viewing9850
Oct 21, 20269850
Oct 16, 2026985-2
Oct 15, 2026987+12
Oct 14, 20269750
Oct 13, 20269750
Oct 09, 2026975-21
Oct 08, 20269960
Oct 07, 2026996-1
Oct 06, 2026997+4
Oct 05, 20269930
Oct 02, 2026993No prior observation