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Contract OI history

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Dec 18, 2026 EXPIRATION

BA $175.00 Put

BA261218P00175000

Latest saved OI4,398Oct 23, 2026
Last change-35vs 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. 4,5402,2700 2026-10-02: 4,181 OI2026-10-05: 4,188 OI2026-10-06: 4,259 OI2026-10-07: 4,349 OI2026-10-08: 4,349 OI2026-10-09: 4,428 OI2026-10-13: 4,475 OI2026-10-14: 4,475 OI2026-10-15: 4,531 OI2026-10-16: 4,540 OI2026-10-21: 4,433 OI2026-10-23: 4,398 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, 2026Viewing4,398-35
Oct 21, 20264,433-107
Oct 16, 20264,540+9
Oct 15, 20264,531+56
Oct 14, 20264,4750
Oct 13, 20264,475+47
Oct 09, 20264,428+79
Oct 08, 20264,3490
Oct 07, 20264,349+90
Oct 06, 20264,259+71
Oct 05, 20264,188+7
Oct 02, 20264,181No prior observation