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Contract OI history

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Sep 17, 2027 EXPIRATION

BA $250.00 Put

BA270917P00250000

Latest saved OI217Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $250.00 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. 2171080 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 11 OI2026-10-07: 11 OI2026-10-08: 11 OI2026-10-09: 11 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 183 OI2026-10-16: 205 OI2026-10-21: 205 OI2026-10-23: 217 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, 2026Viewing217+12
Oct 21, 20262050
Oct 16, 2026205+22
Oct 15, 2026183+172
Oct 14, 2026110
Oct 13, 2026110
Oct 09, 2026110
Oct 08, 2026110
Oct 07, 2026110
Oct 06, 2026110
Oct 05, 2026110
Oct 02, 202611No prior observation