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Contract OI history

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Mar 19, 2027 EXPIRATION

BA $235.00 Put

BA270319P00235000

Latest saved OI345Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BA $235.00 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. 3451720 2026-10-02: 345 OI2026-10-05: 345 OI2026-10-06: 345 OI2026-10-07: 345 OI2026-10-08: 345 OI2026-10-09: 345 OI2026-10-13: 345 OI2026-10-14: 345 OI2026-10-15: 344 OI2026-10-16: 344 OI2026-10-21: 345 OI2026-10-23: 345 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, 2026Viewing3450
Oct 21, 2026345+1
Oct 16, 20263440
Oct 15, 2026344-1
Oct 14, 20263450
Oct 13, 20263450
Oct 09, 20263450
Oct 08, 20263450
Oct 07, 20263450
Oct 06, 20263450
Oct 05, 20263450
Oct 02, 2026345No prior observation