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Contract OI history

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Mar 19, 2027 EXPIRATION

BA $215.00 Put

BA270319P00215000

Latest saved OI913Oct 23, 2026
Last change+27vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $215.00 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. 9134560 2026-10-02: 856 OI2026-10-05: 856 OI2026-10-06: 853 OI2026-10-07: 854 OI2026-10-08: 854 OI2026-10-09: 849 OI2026-10-13: 865 OI2026-10-14: 865 OI2026-10-15: 871 OI2026-10-16: 871 OI2026-10-21: 886 OI2026-10-23: 913 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, 2026Viewing913+27
Oct 21, 2026886+15
Oct 16, 20268710
Oct 15, 2026871+6
Oct 14, 20268650
Oct 13, 2026865+16
Oct 09, 2026849-5
Oct 08, 20268540
Oct 07, 2026854+1
Oct 06, 2026853-3
Oct 05, 20268560
Oct 02, 2026856No prior observation