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Contract OI history

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Jan 21, 2028 EXPIRATION

BA $155.00 Put

BA280121P00155000

Latest saved OI997Oct 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 $155.00 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: 932 OI2026-10-05: 939 OI2026-10-06: 900 OI2026-10-07: 989 OI2026-10-08: 989 OI2026-10-09: 989 OI2026-10-13: 988 OI2026-10-14: 988 OI2026-10-15: 991 OI2026-10-16: 991 OI2026-10-21: 997 OI2026-10-23: 997 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, 2026Viewing9970
Oct 21, 2026997+6
Oct 16, 20269910
Oct 15, 2026991+3
Oct 14, 20269880
Oct 13, 2026988-1
Oct 09, 20269890
Oct 08, 20269890
Oct 07, 2026989+89
Oct 06, 2026900-39
Oct 05, 2026939+7
Oct 02, 2026932No prior observation