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Contract OI history

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Jan 21, 2028 EXPIRATION

BA $100.00 Put

BA280121P00100000

Latest saved OI772Oct 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 $100.00 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. 7723860 2026-10-02: 564 OI2026-10-05: 564 OI2026-10-06: 564 OI2026-10-07: 564 OI2026-10-08: 564 OI2026-10-09: 564 OI2026-10-13: 763 OI2026-10-14: 763 OI2026-10-15: 763 OI2026-10-16: 763 OI2026-10-21: 772 OI2026-10-23: 772 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, 2026Viewing7720
Oct 21, 2026772+9
Oct 16, 20267630
Oct 15, 20267630
Oct 14, 20267630
Oct 13, 2026763+199
Oct 09, 20265640
Oct 08, 20265640
Oct 07, 20265640
Oct 06, 20265640
Oct 05, 20265640
Oct 02, 2026564No prior observation