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Contract OI history

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Jan 21, 2028 EXPIRATION

BA $175.00 Put

BA280121P00175000

Latest saved OI567Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $175.00 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. 5722860 2026-10-02: 572 OI2026-10-05: 572 OI2026-10-06: 523 OI2026-10-07: 537 OI2026-10-08: 537 OI2026-10-09: 543 OI2026-10-13: 544 OI2026-10-14: 544 OI2026-10-15: 548 OI2026-10-16: 547 OI2026-10-21: 564 OI2026-10-23: 567 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, 2026Viewing567+3
Oct 21, 2026564+17
Oct 16, 2026547-1
Oct 15, 2026548+4
Oct 14, 20265440
Oct 13, 2026544+1
Oct 09, 2026543+6
Oct 08, 20265370
Oct 07, 2026537+14
Oct 06, 2026523-49
Oct 05, 20265720
Oct 02, 2026572No prior observation