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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $220.00 Put

BA261218P00220000

Latest saved OI2,338Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $220.00 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. 2,5141,2570 2026-10-02: 2,507 OI2026-10-05: 2,507 OI2026-10-06: 2,507 OI2026-10-07: 2,514 OI2026-10-08: 2,514 OI2026-10-09: 2,510 OI2026-10-13: 2,510 OI2026-10-14: 2,510 OI2026-10-15: 2,510 OI2026-10-16: 2,490 OI2026-10-21: 2,337 OI2026-10-23: 2,338 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, 2026Viewing2,338+1
Oct 21, 20262,337-153
Oct 16, 20262,490-20
Oct 15, 20262,5100
Oct 14, 20262,5100
Oct 13, 20262,5100
Oct 09, 20262,510-4
Oct 08, 20262,5140
Oct 07, 20262,514+7
Oct 06, 20262,5070
Oct 05, 20262,5070
Oct 02, 20262,507No prior observation