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Contract OI history

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Jan 21, 2028 EXPIRATION

BA $210.00 Put

BA280121P00210000

Latest saved OI595Oct 23, 2026
Last change+23vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $210.00 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. 6043020 2026-10-02: 599 OI2026-10-05: 603 OI2026-10-06: 603 OI2026-10-07: 603 OI2026-10-08: 603 OI2026-10-09: 604 OI2026-10-13: 602 OI2026-10-14: 602 OI2026-10-15: 571 OI2026-10-16: 571 OI2026-10-21: 572 OI2026-10-23: 595 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, 2026Viewing595+23
Oct 21, 2026572+1
Oct 16, 20265710
Oct 15, 2026571-31
Oct 14, 20266020
Oct 13, 2026602-2
Oct 09, 2026604+1
Oct 08, 20266030
Oct 07, 20266030
Oct 06, 20266030
Oct 05, 2026603+4
Oct 02, 2026599No prior observation