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Contract OI history

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Jan 21, 2028 EXPIRATION

BA $250.00 Put

BA280121P00250000

Latest saved OI535Oct 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 $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. 5362680 2026-10-02: 451 OI2026-10-05: 501 OI2026-10-06: 503 OI2026-10-07: 513 OI2026-10-08: 513 OI2026-10-09: 523 OI2026-10-13: 523 OI2026-10-14: 523 OI2026-10-15: 523 OI2026-10-16: 533 OI2026-10-21: 536 OI2026-10-23: 535 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, 2026Viewing535-1
Oct 21, 2026536+3
Oct 16, 2026533+10
Oct 15, 20265230
Oct 14, 20265230
Oct 13, 20265230
Oct 09, 2026523+10
Oct 08, 20265130
Oct 07, 2026513+10
Oct 06, 2026503+2
Oct 05, 2026501+50
Oct 02, 2026451No prior observation